Podcast
Questions and Answers
What is the value of the sine function for an angle theta in a right-angled triangle?
What is the value of the sine function for an angle theta in a right-angled triangle?
Which of the following statements about trigonometric ratios is false?
Which of the following statements about trigonometric ratios is false?
What does the mnemonic 'Soh Cah Toa' help to remember?
What does the mnemonic 'Soh Cah Toa' help to remember?
What is the reciprocal of the sine function?
What is the reciprocal of the sine function?
Signup and view all the answers
If angle theta is known, how can you find the value of cosine theta?
If angle theta is known, how can you find the value of cosine theta?
Signup and view all the answers
What must be true about triangles for them to be considered similar?
What must be true about triangles for them to be considered similar?
Signup and view all the answers
Which of the following statements about the ratios of similar triangles is correct?
Which of the following statements about the ratios of similar triangles is correct?
Signup and view all the answers
Which relationship correctly describes the tangent of angle theta?
Which relationship correctly describes the tangent of angle theta?
Signup and view all the answers
To calculate trigonometric ratios using a calculator, which mode should it be set to for angle measurements in degrees?
To calculate trigonometric ratios using a calculator, which mode should it be set to for angle measurements in degrees?
Signup and view all the answers
If two triangles are similar, which property regarding their angles holds true?
If two triangles are similar, which property regarding their angles holds true?
Signup and view all the answers
What is the primary use of the Pythagorean theorem in relation to trigonometric functions?
What is the primary use of the Pythagorean theorem in relation to trigonometric functions?
Signup and view all the answers
In similar triangles, how is the order of the vertices important?
In similar triangles, how is the order of the vertices important?
Signup and view all the answers
Which of the following is a characteristic of the ratios in similar triangles with angles of 30°, 60°, and 90°?
Which of the following is a characteristic of the ratios in similar triangles with angles of 30°, 60°, and 90°?
Signup and view all the answers
Which trigonometric function relates the opposite side to the adjacent side in a right triangle?
Which trigonometric function relates the opposite side to the adjacent side in a right triangle?
Signup and view all the answers
For triangles ΔABC and ΔDEF where ΔABC ∼ ΔDEF, what can be deduced about the relationship between side lengths?
For triangles ΔABC and ΔDEF where ΔABC ∼ ΔDEF, what can be deduced about the relationship between side lengths?
Signup and view all the answers
Which of the following reciprocal identities is correct?
Which of the following reciprocal identities is correct?
Signup and view all the answers
When comparing the sides of similar triangles, which ratio is commonly used to express the relationship between the sides?
When comparing the sides of similar triangles, which ratio is commonly used to express the relationship between the sides?
Signup and view all the answers
Which of the following constitutes a valid comparison between the angles in two similar triangles?
Which of the following constitutes a valid comparison between the angles in two similar triangles?
Signup and view all the answers
What are the positive trigonometric ratios in Quadrant II?
What are the positive trigonometric ratios in Quadrant II?
Signup and view all the answers
What is the sine of 90 degrees?
What is the sine of 90 degrees?
Signup and view all the answers
Which of the following is true regarding the tangent function?
Which of the following is true regarding the tangent function?
Signup and view all the answers
In the case of the function y = a sin θ + q, what effect does a < 0 have?
In the case of the function y = a sin θ + q, what effect does a < 0 have?
Signup and view all the answers
Which angle corresponds to a sine value of 1/2?
Which angle corresponds to a sine value of 1/2?
Signup and view all the answers
What is the range of the cosine function over one complete cycle?
What is the range of the cosine function over one complete cycle?
Signup and view all the answers
What is the equivalent of the angle of elevation concerning the angle of depression?
What is the equivalent of the angle of elevation concerning the angle of depression?
Signup and view all the answers
What is the x-intercept of the function y = cos θ?
What is the x-intercept of the function y = cos θ?
Signup and view all the answers
Which of the following ratios is NOT a definition of a trigonometric ratio for a right triangle?
Which of the following ratios is NOT a definition of a trigonometric ratio for a right triangle?
Signup and view all the answers
What is the maximum turning point of the sine function?
What is the maximum turning point of the sine function?
Signup and view all the answers
How does the value of $q$ in the function $y = a an heta + q$ affect the graph?
How does the value of $q$ in the function $y = a an heta + q$ affect the graph?
Signup and view all the answers
What is the range of the function $y = a an heta + q$?
What is the range of the function $y = a an heta + q$?
Signup and view all the answers
Which classification applies to a triangle with one angle greater than 90° and two unequal sides?
Which classification applies to a triangle with one angle greater than 90° and two unequal sides?
Signup and view all the answers
What type of triangle is defined by having all three sides equal in length?
What type of triangle is defined by having all three sides equal in length?
Signup and view all the answers
According to congruency rules, which condition is sufficient to prove two triangles are congruent?
According to congruency rules, which condition is sufficient to prove two triangles are congruent?
Signup and view all the answers
What is the sum of the interior angles of any triangle?
What is the sum of the interior angles of any triangle?
Signup and view all the answers
Which statement is true regarding the cosine graph compared to the sine graph?
Which statement is true regarding the cosine graph compared to the sine graph?
Signup and view all the answers
What is the period of the tangent function $y = an heta$?
What is the period of the tangent function $y = an heta$?
Signup and view all the answers
What occurs when $|a| > 1$ in the function $y = a an heta + q$?
What occurs when $|a| > 1$ in the function $y = a an heta + q$?
Signup and view all the answers
Which congruency rule is applicable if two angles and the included side of one triangle are equal to two angles and the included side of another triangle?
Which congruency rule is applicable if two angles and the included side of one triangle are equal to two angles and the included side of another triangle?
Signup and view all the answers
In a 30°-60°-90° triangle, what is the length of the hypotenuse if the length of the side opposite the 30° angle is 1?
In a 30°-60°-90° triangle, what is the length of the hypotenuse if the length of the side opposite the 30° angle is 1?
Signup and view all the answers
What is the tangent value of a 45° angle?
What is the tangent value of a 45° angle?
Signup and view all the answers
If the sine of angle θ is 1/2, what is the possible value of θ?
If the sine of angle θ is 1/2, what is the possible value of θ?
Signup and view all the answers
For a right triangle with an opposite side of length 3 and an adjacent side of length 4, what is the angle corresponding to the tangent ratio?
For a right triangle with an opposite side of length 3 and an adjacent side of length 4, what is the angle corresponding to the tangent ratio?
Signup and view all the answers
What is the cosine value of a 60° angle?
What is the cosine value of a 60° angle?
Signup and view all the answers
If the angle B corresponds to the point Q(-2, 3) in the Cartesian plane, what is the value of B?
If the angle B corresponds to the point Q(-2, 3) in the Cartesian plane, what is the value of B?
Signup and view all the answers
What is the relationship between the sine and cosine of a 45° angle?
What is the relationship between the sine and cosine of a 45° angle?
Signup and view all the answers
What value does tan θ equal when the opposite side is 5 and the adjacent side is 0?
What value does tan θ equal when the opposite side is 5 and the adjacent side is 0?
Signup and view all the answers
In general, what is the maximum value of sin θ?
In general, what is the maximum value of sin θ?
Signup and view all the answers
What is the sum of the interior angles of a quadrilateral?
What is the sum of the interior angles of a quadrilateral?
Signup and view all the answers
Which of the following quadrilaterals has all sides of equal length?
Which of the following quadrilaterals has all sides of equal length?
Signup and view all the answers
Which statement about a rectangle is true?
Which statement about a rectangle is true?
Signup and view all the answers
What does the Mid-Point Theorem state?
What does the Mid-Point Theorem state?
Signup and view all the answers
Which of the following shapes is a trapezium?
Which of the following shapes is a trapezium?
Signup and view all the answers
Which quadrilateral is classified as both a rhombus and a rectangle?
Which quadrilateral is classified as both a rhombus and a rectangle?
Signup and view all the answers
In which of the following quadrilaterals do the diagonals bisect each other at right angles?
In which of the following quadrilaterals do the diagonals bisect each other at right angles?
Signup and view all the answers
What are the properties of a parallelogram?
What are the properties of a parallelogram?
Signup and view all the answers
Which of the following is NOT a property of a square?
Which of the following is NOT a property of a square?
Signup and view all the answers
What is the converse of the Mid-Point Theorem?
What is the converse of the Mid-Point Theorem?
Signup and view all the answers
What is the gradient of a horizontal line?
What is the gradient of a horizontal line?
Signup and view all the answers
Which of the following describes the relationship of gradients between two perpendicular lines?
Which of the following describes the relationship of gradients between two perpendicular lines?
Signup and view all the answers
Which formula represents the equation of a straight line in standard form?
Which formula represents the equation of a straight line in standard form?
Signup and view all the answers
How do you calculate the mid-point M(x, y) between the points A(x₁, y₁) and B(x₂, y₂)?
How do you calculate the mid-point M(x, y) between the points A(x₁, y₁) and B(x₂, y₂)?
Signup and view all the answers
When given two points, how can we determine if they are collinear?
When given two points, how can we determine if they are collinear?
Signup and view all the answers
What determines the steepness of a straight line in the gradient formula?
What determines the steepness of a straight line in the gradient formula?
Signup and view all the answers
If line WX has a gradient of 3, what must be the gradient of line YZ for them to be perpendicular?
If line WX has a gradient of 3, what must be the gradient of line YZ for them to be perpendicular?
Signup and view all the answers
Which statement is true about the gradients of parallel lines?
Which statement is true about the gradients of parallel lines?
Signup and view all the answers
What is the relationship between the line segment joining the mid-points of two sides of a triangle and the third side?
What is the relationship between the line segment joining the mid-points of two sides of a triangle and the third side?
Signup and view all the answers
How does the length of the line segment joining the mid-points of a triangle's sides compare to the length of the third side?
How does the length of the line segment joining the mid-points of a triangle's sides compare to the length of the third side?
Signup and view all the answers
In the proof of parallelogram MNOP from parallelogram ABCD, which property is utilized to prove congruency between triangles?
In the proof of parallelogram MNOP from parallelogram ABCD, which property is utilized to prove congruency between triangles?
Signup and view all the answers
What is the formula for calculating the distance between two points A(x₁, y₁) and B(x₂, y₂)?
What is the formula for calculating the distance between two points A(x₁, y₁) and B(x₂, y₂)?
Signup and view all the answers
What does the gradient (m) of a line represent?
What does the gradient (m) of a line represent?
Signup and view all the answers
Which application of the Mid-Point Theorem is focused on calculating distances in the Cartesian plane?
Which application of the Mid-Point Theorem is focused on calculating distances in the Cartesian plane?
Signup and view all the answers
In parallelogram ABCD, which property is NOT true?
In parallelogram ABCD, which property is NOT true?
Signup and view all the answers
When constructing a figure on the Cartesian plane, which order must the points be joined?
When constructing a figure on the Cartesian plane, which order must the points be joined?
Signup and view all the answers
What can be concluded if both pairs of opposite angles in quadrilateral MNOP are equal?
What can be concluded if both pairs of opposite angles in quadrilateral MNOP are equal?
Signup and view all the answers
What is one major use of the Mid-Point Theorem in geometric proofs?
What is one major use of the Mid-Point Theorem in geometric proofs?
Signup and view all the answers
What can be concluded about the side lengths of similar triangles?
What can be concluded about the side lengths of similar triangles?
Signup and view all the answers
Which of the following is a property of corresponding angles in similar triangles?
Which of the following is a property of corresponding angles in similar triangles?
Signup and view all the answers
If triangles ΔABC and ΔDEF are similar, what does the notation ΔABC ∼ ΔDEF specifically indicate?
If triangles ΔABC and ΔDEF are similar, what does the notation ΔABC ∼ ΔDEF specifically indicate?
Signup and view all the answers
What happens to the ratios of the sides in similar triangles when their angles are scaled uniformly?
What happens to the ratios of the sides in similar triangles when their angles are scaled uniformly?
Signup and view all the answers
For similar triangles, which statement regarding the lengths of their corresponding sides is incorrect?
For similar triangles, which statement regarding the lengths of their corresponding sides is incorrect?
Signup and view all the answers
Why are the specific angles in 30°, 60°, and 90° triangles significant in trigonometry?
Why are the specific angles in 30°, 60°, and 90° triangles significant in trigonometry?
Signup and view all the answers
What is the relationship between the angles and side lengths of similar triangles characterized by the notation ΔABC ∼ ΔDEF?
What is the relationship between the angles and side lengths of similar triangles characterized by the notation ΔABC ∼ ΔDEF?
Signup and view all the answers
In the context of similar triangles, what role does the order of vertices play?
In the context of similar triangles, what role does the order of vertices play?
Signup and view all the answers
When relating the sides of a right-angled triangle to angle θ, which side is correctly identified as the adjacent side?
When relating the sides of a right-angled triangle to angle θ, which side is correctly identified as the adjacent side?
Signup and view all the answers
Which trigonometric ratio represents the relationship between the adjacent side and the hypotenuse?
Which trigonometric ratio represents the relationship between the adjacent side and the hypotenuse?
Signup and view all the answers
If sin θ = 0.5, which of the following could represent angle θ in degrees?
If sin θ = 0.5, which of the following could represent angle θ in degrees?
Signup and view all the answers
What is the value of cosec θ if sin θ = 0.8?
What is the value of cosec θ if sin θ = 0.8?
Signup and view all the answers
Which relationship between sine and cosecant is always true?
Which relationship between sine and cosecant is always true?
Signup and view all the answers
What is the cosecant function defined as in relation to a right-angled triangle?
What is the cosecant function defined as in relation to a right-angled triangle?
Signup and view all the answers
When using a calculator to compute trigonometric ratios, what is a critical step to perform beforehand?
When using a calculator to compute trigonometric ratios, what is a critical step to perform beforehand?
Signup and view all the answers
In special angles, what is the sine value for an angle of 45°?
In special angles, what is the sine value for an angle of 45°?
Signup and view all the answers
Which reciprocal ratio correctly relates to the tangent function?
Which reciprocal ratio correctly relates to the tangent function?
Signup and view all the answers
For which angle is the cosine value equal to 0?
For which angle is the cosine value equal to 0?
Signup and view all the answers
What is the cosine value of a 30° angle?
What is the cosine value of a 30° angle?
Signup and view all the answers
In which quadrant is the cosine function positive?
In which quadrant is the cosine function positive?
Signup and view all the answers
Which function is undefined at an angle of 90°?
Which function is undefined at an angle of 90°?
Signup and view all the answers
Which statement correctly describes the sine function y = sin θ?
Which statement correctly describes the sine function y = sin θ?
Signup and view all the answers
If the sine function is represented as y = a sin θ + q, what is the effect of |a| < 1?
If the sine function is represented as y = a sin θ + q, what is the effect of |a| < 1?
Signup and view all the answers
What is the sine value for an angle corresponding to the maximum turning point of the sine function?
What is the sine value for an angle corresponding to the maximum turning point of the sine function?
Signup and view all the answers
What does the term angle of elevation refer to?
What does the term angle of elevation refer to?
Signup and view all the answers
In two-dimensional trigonometry, how are the angle of elevation and angle of depression related?
In two-dimensional trigonometry, how are the angle of elevation and angle of depression related?
Signup and view all the answers
What is the range of the cosine function over one complete cycle?
What is the range of the cosine function over one complete cycle?
Signup and view all the answers
Which of the following represents the tangent of an angle in a right triangle?
Which of the following represents the tangent of an angle in a right triangle?
Signup and view all the answers
In a 30°-60°-90° triangle, what is the length of the side opposite to the 60° angle if the hypotenuse is 2?
In a 30°-60°-90° triangle, what is the length of the side opposite to the 60° angle if the hypotenuse is 2?
Signup and view all the answers
Which trigonometric function corresponds to the ratio of the opposite side to the adjacent side in a right triangle?
Which trigonometric function corresponds to the ratio of the opposite side to the adjacent side in a right triangle?
Signup and view all the answers
What is the value of sin 45°?
What is the value of sin 45°?
Signup and view all the answers
If the opposite side of a right triangle is 3 and the adjacent side is 4, what is the sine of the angle formed?
If the opposite side of a right triangle is 3 and the adjacent side is 4, what is the sine of the angle formed?
Signup and view all the answers
What is the angle corresponding to a tangent value of √3?
What is the angle corresponding to a tangent value of √3?
Signup and view all the answers
Which of the following statements is true regarding the cosine function?
Which of the following statements is true regarding the cosine function?
Signup and view all the answers
What angle corresponds to a sine value of 1/2?
What angle corresponds to a sine value of 1/2?
Signup and view all the answers
In which quadrant does the sine function remain positive?
In which quadrant does the sine function remain positive?
Signup and view all the answers
If tan(θ) = 1, what is the value of θ?
If tan(θ) = 1, what is the value of θ?
Signup and view all the answers
What is the relationship between the sine and cosine of a 30° angle?
What is the relationship between the sine and cosine of a 30° angle?
Signup and view all the answers
What is true about the diagonals in a rhombus?
What is true about the diagonals in a rhombus?
Signup and view all the answers
Which statement about the interior angles of a quadrilateral is correct?
Which statement about the interior angles of a quadrilateral is correct?
Signup and view all the answers
Which type of quadrilateral has only one pair of parallel sides?
Which type of quadrilateral has only one pair of parallel sides?
Signup and view all the answers
What can be concluded if $b^2 = a^2 + c^2$ for a triangle?
What can be concluded if $b^2 = a^2 + c^2$ for a triangle?
Signup and view all the answers
Which property distinguishes a square from other quadrilaterals?
Which property distinguishes a square from other quadrilaterals?
Signup and view all the answers
Which of the following describes a kite?
Which of the following describes a kite?
Signup and view all the answers
Which property is true for all rectangles?
Which property is true for all rectangles?
Signup and view all the answers
Which of the following is a characteristic of a trapezium?
Which of the following is a characteristic of a trapezium?
Signup and view all the answers
What does the mid-point theorem state about a triangle?
What does the mid-point theorem state about a triangle?
Signup and view all the answers
In a parallelogram, which statement is incorrect?
In a parallelogram, which statement is incorrect?
Signup and view all the answers
What is the range of the function $y = a an heta + q$?
What is the range of the function $y = a an heta + q$?
Signup and view all the answers
What effect does an amplitude of $|a| > 1$ have on the graph of the function $y = a an heta + q$?
What effect does an amplitude of $|a| > 1$ have on the graph of the function $y = a an heta + q$?
Signup and view all the answers
Which statement about the domain of the tangent function is correct?
Which statement about the domain of the tangent function is correct?
Signup and view all the answers
How does a negative value of $a$ in the function $y = a an heta + q$ affect the graph?
How does a negative value of $a$ in the function $y = a an heta + q$ affect the graph?
Signup and view all the answers
What type of triangle has all sides of different lengths?
What type of triangle has all sides of different lengths?
Signup and view all the answers
What do the angles of a triangle sum up to?
What do the angles of a triangle sum up to?
Signup and view all the answers
Which congruency rule is applied if two sides and the included angle of one triangle are equal to the corresponding sides and angle of another triangle?
Which congruency rule is applied if two sides and the included angle of one triangle are equal to the corresponding sides and angle of another triangle?
Signup and view all the answers
What can be said about two similar triangles?
What can be said about two similar triangles?
Signup and view all the answers
What is the period of the function $y = a an heta + q$?
What is the period of the function $y = a an heta + q$?
Signup and view all the answers
In a right triangle, how is an exterior angle related to interior angles?
In a right triangle, how is an exterior angle related to interior angles?
Signup and view all the answers
What does the line segment joining the mid-points of two sides of a triangle represent in relation to the third side?
What does the line segment joining the mid-points of two sides of a triangle represent in relation to the third side?
Signup and view all the answers
If the length of the third side of a triangle is 10 units, what is the length of the segment joining the mid-points of the other two sides?
If the length of the third side of a triangle is 10 units, what is the length of the segment joining the mid-points of the other two sides?
Signup and view all the answers
Which of the following applications of the Mid-Point Theorem utilizes it to prove segment proportions?
Which of the following applications of the Mid-Point Theorem utilizes it to prove segment proportions?
Signup and view all the answers
What essential property of a parallelogram can be derived from the mid-points of its opposite sides?
What essential property of a parallelogram can be derived from the mid-points of its opposite sides?
Signup and view all the answers
When constructing the coordinates of a quadrilateral, why is the order of the vertices important?
When constructing the coordinates of a quadrilateral, why is the order of the vertices important?
Signup and view all the answers
How is the distance between two points A(x₁, y₁) and B(x₂, y₂) calculated?
How is the distance between two points A(x₁, y₁) and B(x₂, y₂) calculated?
Signup and view all the answers
What does the gradient of a line represent?
What does the gradient of a line represent?
Signup and view all the answers
In which of the following scenarios would the Mid-Point Theorem NOT apply?
In which of the following scenarios would the Mid-Point Theorem NOT apply?
Signup and view all the answers
Which statement about the angles formed by two pairs of opposite angles in a parallelogram is correct?
Which statement about the angles formed by two pairs of opposite angles in a parallelogram is correct?
Signup and view all the answers
Which concept involves determining the angle relationships and lengths from bisected segments?
Which concept involves determining the angle relationships and lengths from bisected segments?
Signup and view all the answers
What does the gradient of a horizontal line equal?
What does the gradient of a horizontal line equal?
Signup and view all the answers
How do the gradients of two perpendicular lines relate to each other?
How do the gradients of two perpendicular lines relate to each other?
Signup and view all the answers
Which formula can be used to find a straight line given two points?
Which formula can be used to find a straight line given two points?
Signup and view all the answers
What is the equation of a straight line in standard form?
What is the equation of a straight line in standard form?
Signup and view all the answers
What is the significance of the mid-point formula?
What is the significance of the mid-point formula?
Signup and view all the answers
What does it mean for two points to be collinear?
What does it mean for two points to be collinear?
Signup and view all the answers
What happens to the gradient as the change in x approaches zero?
What happens to the gradient as the change in x approaches zero?
Signup and view all the answers
Which statement about parallel lines is true?
Which statement about parallel lines is true?
Signup and view all the answers
What property distinguishes similar triangles from non-similar triangles?
What property distinguishes similar triangles from non-similar triangles?
Signup and view all the answers
If triangles ABC and DEF are similar, which of the following ratios is correct?
If triangles ABC and DEF are similar, which of the following ratios is correct?
Signup and view all the answers
Which statement accurately describes the angles in similar triangles?
Which statement accurately describes the angles in similar triangles?
Signup and view all the answers
Which is a true statement about the side ratios of similar triangles with angles of 30°, 60°, and 90°?
Which is a true statement about the side ratios of similar triangles with angles of 30°, 60°, and 90°?
Signup and view all the answers
What must be true regarding the order of vertices in similar triangles?
What must be true regarding the order of vertices in similar triangles?
Signup and view all the answers
How do the ratios of corresponding sides in two similar triangles relate?
How do the ratios of corresponding sides in two similar triangles relate?
Signup and view all the answers
In the context of similar triangles, what does the notation ΔABC ∼ ΔDEF imply?
In the context of similar triangles, what does the notation ΔABC ∼ ΔDEF imply?
Signup and view all the answers
What is the significance of the angles 30°, 60°, and 90° in relation to similar triangles?
What is the significance of the angles 30°, 60°, and 90° in relation to similar triangles?
Signup and view all the answers
What effect does a negative value of $a$ have in the function $y = a an heta + q$?
What effect does a negative value of $a$ have in the function $y = a an heta + q$?
Signup and view all the answers
Which statements correctly describe the range of the function $y = a an heta + q$?
Which statements correctly describe the range of the function $y = a an heta + q$?
Signup and view all the answers
For triangles to be similar, which property must they have in common?
For triangles to be similar, which property must they have in common?
Signup and view all the answers
What is the significance of the value of $q$ in the equation for the cosine function?
What is the significance of the value of $q$ in the equation for the cosine function?
Signup and view all the answers
What is the correct classification of a triangle that has one angle greater than 90° and two equal sides?
What is the correct classification of a triangle that has one angle greater than 90° and two equal sides?
Signup and view all the answers
Which congruency rule is applied when two sides and the included angle of one triangle are equal to those of another triangle?
Which congruency rule is applied when two sides and the included angle of one triangle are equal to those of another triangle?
Signup and view all the answers
What do you call the vertical lines that the tangent graph approaches but never touches?
What do you call the vertical lines that the tangent graph approaches but never touches?
Signup and view all the answers
In the cosine function $y = a ext{cos}( heta) + q$, if $|a| > 1$, what happens to the graph?
In the cosine function $y = a ext{cos}( heta) + q$, if $|a| > 1$, what happens to the graph?
Signup and view all the answers
Which statement about the period of the tangent function $y = an heta$ is true?
Which statement about the period of the tangent function $y = an heta$ is true?
Signup and view all the answers
Which of the following correctly describes the sine function in a right-angled triangle?
Which of the following correctly describes the sine function in a right-angled triangle?
Signup and view all the answers
What is the relationship between sine and cosecant in trigonometry?
What is the relationship between sine and cosecant in trigonometry?
Signup and view all the answers
For angle $ heta$, if the opposite side has a length of 6 and the hypotenuse has a length of 10, what is $ an heta$?
For angle $ heta$, if the opposite side has a length of 6 and the hypotenuse has a length of 10, what is $ an heta$?
Signup and view all the answers
What does the mnemonic 'Soh Cah Toa' specifically help to remember?
What does the mnemonic 'Soh Cah Toa' specifically help to remember?
Signup and view all the answers
If $ an heta = 3$, what is the ratio of the opposite side to the adjacent side?
If $ an heta = 3$, what is the ratio of the opposite side to the adjacent side?
Signup and view all the answers
Which statement is true regarding the reciprocal ratios of the trigonometric functions?
Which statement is true regarding the reciprocal ratios of the trigonometric functions?
Signup and view all the answers
Which of the following values represents the cosine of a 30° angle?
Which of the following values represents the cosine of a 30° angle?
Signup and view all the answers
To determine the value of $ an 45°$, what is the correct calculation?
To determine the value of $ an 45°$, what is the correct calculation?
Signup and view all the answers
What is the sum of the sine squared and cosine squared of any angle?
What is the sum of the sine squared and cosine squared of any angle?
Signup and view all the answers
If the adjacent side has a length of 5 and the hypotenuse has a length of 13, what is $rac{1}{\cos heta}$?
If the adjacent side has a length of 5 and the hypotenuse has a length of 13, what is $rac{1}{\cos heta}$?
Signup and view all the answers
What is the value of $\sin 30^\circ$?
What is the value of $\sin 30^\circ$?
Signup and view all the answers
Which statement best describes the positive trigonometric ratios in Quadrant III?
Which statement best describes the positive trigonometric ratios in Quadrant III?
Signup and view all the answers
What is the y-intercept of the function $y = a \sin \theta + q$?
What is the y-intercept of the function $y = a \sin \theta + q$?
Signup and view all the answers
If $\tan \theta$ is undefined, which angle could represent $\theta$?
If $\tan \theta$ is undefined, which angle could represent $\theta$?
Signup and view all the answers
In the context of the Sine function, what does the variable $a$ affect when $|a| > 1$?
In the context of the Sine function, what does the variable $a$ affect when $|a| > 1$?
Signup and view all the answers
What is the cosine value at the maximum turning point of the cosine function in the interval $[0^\circ, 360^\circ]$?
What is the cosine value at the maximum turning point of the cosine function in the interval $[0^\circ, 360^\circ]$?
Signup and view all the answers
When calculating $\cot \theta$, which of the following ratios is used?
When calculating $\cot \theta$, which of the following ratios is used?
Signup and view all the answers
What is the maximum turning point of the sine function over one complete cycle?
What is the maximum turning point of the sine function over one complete cycle?
Signup and view all the answers
What is the angle of elevation equal to when looking from an object below the horizontal plane?
What is the angle of elevation equal to when looking from an object below the horizontal plane?
Signup and view all the answers
Which function indicates a vertical shift of the sine function upwards?
Which function indicates a vertical shift of the sine function upwards?
Signup and view all the answers
What is the sum of the interior angles of a quadrilateral?
What is the sum of the interior angles of a quadrilateral?
Signup and view all the answers
Which of the following properties is unique to a rectangle?
Which of the following properties is unique to a rectangle?
Signup and view all the answers
Which statement is true about the diagonals of a rhombus?
Which statement is true about the diagonals of a rhombus?
Signup and view all the answers
What defines a kite in terms of its sides?
What defines a kite in terms of its sides?
Signup and view all the answers
Which of the following is not a property of a parallelogram?
Which of the following is not a property of a parallelogram?
Signup and view all the answers
To determine if a triangle is right-angled using the Pythagorean theorem, which condition must be met?
To determine if a triangle is right-angled using the Pythagorean theorem, which condition must be met?
Signup and view all the answers
How can one identify a trapezium?
How can one identify a trapezium?
Signup and view all the answers
In the context of the mid-point theorem, what is true about the segment joining the midpoints of two sides of a triangle?
In the context of the mid-point theorem, what is true about the segment joining the midpoints of two sides of a triangle?
Signup and view all the answers
What is the gradient of a horizontal line?
What is the gradient of a horizontal line?
Signup and view all the answers
Which quadrilateral is defined by having all sides equal and all angles equal to 90°?
Which quadrilateral is defined by having all sides equal and all angles equal to 90°?
Signup and view all the answers
Which of the following describes the relationship between the gradients of two perpendicular lines?
Which of the following describes the relationship between the gradients of two perpendicular lines?
Signup and view all the answers
How is the mid-point M of a line segment defined in terms of its endpoints A(x₁, y₁) and B(x₂, y₂)?
How is the mid-point M of a line segment defined in terms of its endpoints A(x₁, y₁) and B(x₂, y₂)?
Signup and view all the answers
What condition is necessary for two points to be collinear?
What condition is necessary for two points to be collinear?
Signup and view all the answers
What is the standard form of the equation of a straight line?
What is the standard form of the equation of a straight line?
Signup and view all the answers
What is the gradient when the change in y is 0?
What is the gradient when the change in y is 0?
Signup and view all the answers
Which formula is used to calculate the gradient of a line segment?
Which formula is used to calculate the gradient of a line segment?
Signup and view all the answers
What happens to the gradient of a line as the two points converge to become the same point?
What happens to the gradient of a line as the two points converge to become the same point?
Signup and view all the answers
What can be said about the line joining the mid-points of two sides of a triangle in relation to the third side?
What can be said about the line joining the mid-points of two sides of a triangle in relation to the third side?
Signup and view all the answers
In the mid-point theorem, what is the relationship of the line segment between the mid-points to the length of the third side?
In the mid-point theorem, what is the relationship of the line segment between the mid-points to the length of the third side?
Signup and view all the answers
Which concept is crucial in proving the properties of shapes like parallelograms using triangles?
Which concept is crucial in proving the properties of shapes like parallelograms using triangles?
Signup and view all the answers
What does the gradient of a line represent?
What does the gradient of a line represent?
Signup and view all the answers
How is the distance between two points A(x₁, y₁) and B(x₂, y₂) calculated?
How is the distance between two points A(x₁, y₁) and B(x₂, y₂) calculated?
Signup and view all the answers
What is the significance of the mid-point theorem in coordinate geometry?
What is the significance of the mid-point theorem in coordinate geometry?
Signup and view all the answers
In order to prove that a quadrilateral is a parallelogram using triangle properties, which condition must be established?
In order to prove that a quadrilateral is a parallelogram using triangle properties, which condition must be established?
Signup and view all the answers
What is a fundamental characteristic of similar triangles?
What is a fundamental characteristic of similar triangles?
Signup and view all the answers
Which property holds true regarding quadrilateral ABCD given the coordinates A(1, 1), B(3, 1), C(3, 3), and D(1, 3)?
Which property holds true regarding quadrilateral ABCD given the coordinates A(1, 1), B(3, 1), C(3, 3), and D(1, 3)?
Signup and view all the answers
What is the length of the side opposite the 60° angle in a 30°-60°-90° triangle where the hypotenuse is 2?
What is the length of the side opposite the 60° angle in a 30°-60°-90° triangle where the hypotenuse is 2?
Signup and view all the answers
Which equation allows you to find the angle from the tangent ratio if you know the opposite and adjacent sides?
Which equation allows you to find the angle from the tangent ratio if you know the opposite and adjacent sides?
Signup and view all the answers
In a 45°-45°-90° triangle, if the hypotenuse is √2, what is the length of each leg?
In a 45°-45°-90° triangle, if the hypotenuse is √2, what is the length of each leg?
Signup and view all the answers
What is the value of sin 30°?
What is the value of sin 30°?
Signup and view all the answers
If the sine of an angle θ equals 1/2, what could be a possible angle?
If the sine of an angle θ equals 1/2, what could be a possible angle?
Signup and view all the answers
How can angle B be determined from point Q(-2, 3) in the Cartesian plane when using the tangent ratio?
How can angle B be determined from point Q(-2, 3) in the Cartesian plane when using the tangent ratio?
Signup and view all the answers
In a right triangle with an adjacent side of length 4 and an opposite side of length 3, what is the tangent of the angle opposite the side of length 3?
In a right triangle with an adjacent side of length 4 and an opposite side of length 3, what is the tangent of the angle opposite the side of length 3?
Signup and view all the answers
What is the cosine of 60°?
What is the cosine of 60°?
Signup and view all the answers
When solving a trigonometric equation, if the rearranged equation exceeds the domain of sine function, which of the following statements is true?
When solving a trigonometric equation, if the rearranged equation exceeds the domain of sine function, which of the following statements is true?
Signup and view all the answers
For point P(2, 3), what is the tangent of angle A formed between the line OP and the positive x-axis?
For point P(2, 3), what is the tangent of angle A formed between the line OP and the positive x-axis?
Signup and view all the answers
What property of similar triangles indicates that their corresponding sides are proportional?
What property of similar triangles indicates that their corresponding sides are proportional?
Signup and view all the answers
Which of the following statements about the order of vertices in similar triangles is true?
Which of the following statements about the order of vertices in similar triangles is true?
Signup and view all the answers
If triangles ΔABC and ΔDEF are similar, which ratio correctly represents their corresponding sides?
If triangles ΔABC and ΔDEF are similar, which ratio correctly represents their corresponding sides?
Signup and view all the answers
In a set of similar triangles with angles of 30°, 60°, and 90°, how do their corresponding side ratios compare?
In a set of similar triangles with angles of 30°, 60°, and 90°, how do their corresponding side ratios compare?
Signup and view all the answers
What defines the relationship between corresponding angles in similar triangles?
What defines the relationship between corresponding angles in similar triangles?
Signup and view all the answers
Why is the concept of similar triangles significant in trigonometry?
Why is the concept of similar triangles significant in trigonometry?
Signup and view all the answers
Given two similar triangles, what can you conclude about their perimeters relative to each other?
Given two similar triangles, what can you conclude about their perimeters relative to each other?
Signup and view all the answers
When working with similar triangles, which statement about the ratios of sides is incorrect?
When working with similar triangles, which statement about the ratios of sides is incorrect?
Signup and view all the answers
What is the length of the side opposite the 60° angle in a 30°-60°-90° triangle with a hypotenuse of 2?
What is the length of the side opposite the 60° angle in a 30°-60°-90° triangle with a hypotenuse of 2?
Signup and view all the answers
If two sides of a right triangle are known, which trigonometric ratio would you use to find an angle?
If two sides of a right triangle are known, which trigonometric ratio would you use to find an angle?
Signup and view all the answers
In a 45°-45°-90° triangle, what is the length of each leg if the hypotenuse is √2?
In a 45°-45°-90° triangle, what is the length of each leg if the hypotenuse is √2?
Signup and view all the answers
How do you find the angle corresponding to a given tangent ratio?
How do you find the angle corresponding to a given tangent ratio?
Signup and view all the answers
What is the angle formed at point B when coordinates Q(-2, 3) are used?
What is the angle formed at point B when coordinates Q(-2, 3) are used?
Signup and view all the answers
Which of the following statements is correct regarding the domain of the sine and cosine functions?
Which of the following statements is correct regarding the domain of the sine and cosine functions?
Signup and view all the answers
If the opposite side measures 3 and the adjacent side measures 4, what is the value of the tangent ratio?
If the opposite side measures 3 and the adjacent side measures 4, what is the value of the tangent ratio?
Signup and view all the answers
In the Cartesian plane, if you draw a line from the origin to point P(2, 3), what is the tangent of the angle A formed with the x-axis?
In the Cartesian plane, if you draw a line from the origin to point P(2, 3), what is the tangent of the angle A formed with the x-axis?
Signup and view all the answers
What is the relationship between the sides and angles in a right-angled triangle when determining the sine ratio?
What is the relationship between the sides and angles in a right-angled triangle when determining the sine ratio?
Signup and view all the answers
What is the cosine ratio of an angle in a right-angled triangle defined as?
What is the cosine ratio of an angle in a right-angled triangle defined as?
Signup and view all the answers
Which of the following represents the definition of tangent for an angle theta?
Which of the following represents the definition of tangent for an angle theta?
Signup and view all the answers
What effect does a value of $|a| < 1$ have on the function $y = a an heta + q$?
What effect does a value of $|a| < 1$ have on the function $y = a an heta + q$?
Signup and view all the answers
Which of the following describes the domain of the function $y = an heta$?
Which of the following describes the domain of the function $y = an heta$?
Signup and view all the answers
What is the reciprocal of the tangent function called?
What is the reciprocal of the tangent function called?
Signup and view all the answers
If an angle theta has a sine value of $rac{3}{5}$, what is the value of cosec theta?
If an angle theta has a sine value of $rac{3}{5}$, what is the value of cosec theta?
Signup and view all the answers
What is the relationship between the interiors angles of any triangle?
What is the relationship between the interiors angles of any triangle?
Signup and view all the answers
How is the range of the cosine function determined when $a > 0$?
How is the range of the cosine function determined when $a > 0$?
Signup and view all the answers
Which relationship is true regarding the sine and cosecant of an angle theta?
Which relationship is true regarding the sine and cosecant of an angle theta?
Signup and view all the answers
For two triangles to be congruent, which condition must be met according to the congruency rules?
For two triangles to be congruent, which condition must be met according to the congruency rules?
Signup and view all the answers
What is the valid way to express $ ext{sec } heta$ using sine?
What is the valid way to express $ ext{sec } heta$ using sine?
Signup and view all the answers
In the mnemonic 'Soh Cah Toa', what does 'Toa' represent?
In the mnemonic 'Soh Cah Toa', what does 'Toa' represent?
Signup and view all the answers
Which statement is true regarding the characteristics of similar triangles?
Which statement is true regarding the characteristics of similar triangles?
Signup and view all the answers
What is the vertical shift caused by the value $q$ in the function $y = a an heta + q$ when $q < 0$?
What is the vertical shift caused by the value $q$ in the function $y = a an heta + q$ when $q < 0$?
Signup and view all the answers
What should you do before calculating trigonometric functions on a calculator?
What should you do before calculating trigonometric functions on a calculator?
Signup and view all the answers
Which congruency rule applies when two sides and the angle between them of one triangle are equal to two sides and the included angle of another triangle?
Which congruency rule applies when two sides and the angle between them of one triangle are equal to two sides and the included angle of another triangle?
Signup and view all the answers
Which of the following is a property of the sides in a right-angled triangle according to the Pythagorean theorem?
Which of the following is a property of the sides in a right-angled triangle according to the Pythagorean theorem?
Signup and view all the answers
When comparing the sine and cosine functions, how can the cosine graph be transformed to match the sine graph?
When comparing the sine and cosine functions, how can the cosine graph be transformed to match the sine graph?
Signup and view all the answers
What is the sine of a 90° angle?
What is the sine of a 90° angle?
Signup and view all the answers
Which property defines an equilateral triangle?
Which property defines an equilateral triangle?
Signup and view all the answers
In which quadrant is the cosine function positive?
In which quadrant is the cosine function positive?
Signup and view all the answers
What is the maximum turning point of the cosine function?
What is the maximum turning point of the cosine function?
Signup and view all the answers
Which trigonometric function has the value $0$ at $90^ ext{o}$?
Which trigonometric function has the value $0$ at $90^ ext{o}$?
Signup and view all the answers
For the function $y = a an heta + q$, what does a < 0 signify?
For the function $y = a an heta + q$, what does a < 0 signify?
Signup and view all the answers
Which of the following defines the angle of depression?
Which of the following defines the angle of depression?
Signup and view all the answers
What is the sine value for an angle of $30^ ext{o}$?
What is the sine value for an angle of $30^ ext{o}$?
Signup and view all the answers
Which statement accurately describes the range of the sine function?
Which statement accurately describes the range of the sine function?
Signup and view all the answers
What is the relationship between the angles of elevation and depression from the same point?
What is the relationship between the angles of elevation and depression from the same point?
Signup and view all the answers
What is the period of the sine function?
What is the period of the sine function?
Signup and view all the answers
Which property is unique to a square compared to other quadrilaterals?
Which property is unique to a square compared to other quadrilaterals?
Signup and view all the answers
What is the total sum of the interior angles in any quadrilateral?
What is the total sum of the interior angles in any quadrilateral?
Signup and view all the answers
In which quadrilateral do the diagonals bisect each other at 90°?
In which quadrilateral do the diagonals bisect each other at 90°?
Signup and view all the answers
Which statement is true regarding a rhombus?
Which statement is true regarding a rhombus?
Signup and view all the answers
Which of the following accurately describes a trapezium?
Which of the following accurately describes a trapezium?
Signup and view all the answers
What does the Mid-Point Theorem state about a triangle?
What does the Mid-Point Theorem state about a triangle?
Signup and view all the answers
Which quadrilateral is defined as having one pair of opposite sides parallel?
Which quadrilateral is defined as having one pair of opposite sides parallel?
Signup and view all the answers
Which property is NOT true for all parallelograms?
Which property is NOT true for all parallelograms?
Signup and view all the answers
Identify the characteristics of a rectangle that differentiate it from a standard parallelogram.
Identify the characteristics of a rectangle that differentiate it from a standard parallelogram.
Signup and view all the answers
What property describes the line segment joining the mid-points of two sides of a triangle in relation to the third side?
What property describes the line segment joining the mid-points of two sides of a triangle in relation to the third side?
Signup and view all the answers
What is the relationship between the length of the line segment joining the mid-points of two sides of a triangle and the length of the third side?
What is the relationship between the length of the line segment joining the mid-points of two sides of a triangle and the length of the third side?
Signup and view all the answers
How can the mid-point theorem be applied in geometric proofs?
How can the mid-point theorem be applied in geometric proofs?
Signup and view all the answers
In coordinate geometry, what is necessary to apply the concept of mid-points?
In coordinate geometry, what is necessary to apply the concept of mid-points?
Signup and view all the answers
What characterizes the gradient of a line joining two points?
What characterizes the gradient of a line joining two points?
Signup and view all the answers
Which method can be used to find the distance between two points (x₁, y₁) and (x₂, y₂)?
Which method can be used to find the distance between two points (x₁, y₁) and (x₂, y₂)?
Signup and view all the answers
What must be shown to prove that MNOP is a parallelogram given parallelogram ABCD?
What must be shown to prove that MNOP is a parallelogram given parallelogram ABCD?
Signup and view all the answers
Which property allows you to calculate the gradient of a line efficiently?
Which property allows you to calculate the gradient of a line efficiently?
Signup and view all the answers
What is the main purpose of finding mid-points in geometric problems?
What is the main purpose of finding mid-points in geometric problems?
Signup and view all the answers
In the context of triangles, proving similarity often involves which concept?
In the context of triangles, proving similarity often involves which concept?
Signup and view all the answers
What is the standard form of the equation of a straight line?
What is the standard form of the equation of a straight line?
Signup and view all the answers
Which of the following statements about gradients is true?
Which of the following statements about gradients is true?
Signup and view all the answers
How do you find the gradient between two points A(x₁, y₁) and B(x₂, y₂)?
How do you find the gradient between two points A(x₁, y₁) and B(x₂, y₂)?
Signup and view all the answers
What is the mid-point M(x, y) of a line segment defined by points A(x₁, y₁) and B(x₂, y₂)?
What is the mid-point M(x, y) of a line segment defined by points A(x₁, y₁) and B(x₂, y₂)?
Signup and view all the answers
If two lines are parallel, what can be said about their gradients?
If two lines are parallel, what can be said about their gradients?
Signup and view all the answers
What condition must be true for two lines to be considered perpendicular?
What condition must be true for two lines to be considered perpendicular?
Signup and view all the answers
Which method can be used to confirm that two points are collinear?
Which method can be used to confirm that two points are collinear?
Signup and view all the answers
What is the gradient of a horizontal line?
What is the gradient of a horizontal line?
Signup and view all the answers