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Questions and Answers
What is the abbreviation for cosine A?
What is the abbreviation for cosine A?
- cas A
- cosec A
- cosi A
- cos A (correct)
Which of the following is a trigonometric identity?
Which of the following is a trigonometric identity?
- tan θ = sin θ * cos θ
- sin θ = cos θ
- cot θ = sin θ / cos θ (correct)
- sec θ = cos θ / sin θ
In a right triangle ABC, right-angled at B, what is cotangent A?
In a right triangle ABC, right-angled at B, what is cotangent A?
- rac { 1 }{ sinA }
- rac { 1 }{ cosineA }
- rac { 1 }{ tanA } (correct)
- None of the above
What is the reciprocal of sin A?
What is the reciprocal of sin A?
What does a trigonometric identity represent?
What does a trigonometric identity represent?
What is the abbreviation for secant A?
What is the abbreviation for secant A?
What does cot θ equal to?
What does cot θ equal to?
What is the abbreviated notation for tangent A?
What is the abbreviated notation for tangent A?
What is the relationship between cosecant A and sin A?
What is the relationship between cosecant A and sin A?
'A t-ratio only depends upon the angle ‘θ’ and stays the same for same angle of different sized right triangles.' What does this statement refer to?
'A t-ratio only depends upon the angle ‘θ’ and stays the same for same angle of different sized right triangles.' What does this statement refer to?
Flashcards
What is the abbreviation for cosine A?
What is the abbreviation for cosine A?
The cosine of angle A, abbreviated as cos A.
What is a trigonometric identity?
What is a trigonometric identity?
A trigonometric equation that is true for all values of the angle involved.
What is cotangent A in a right triangle ABC, right-angled at B?
What is cotangent A in a right triangle ABC, right-angled at B?
In a right triangle ABC, where angle B is 90 degrees, cotangent of angle A is the ratio of the adjacent side to the opposite side.
What is the reciprocal of sin A?
What is the reciprocal of sin A?
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What does a trigonometric identity represent?
What does a trigonometric identity represent?
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What is the abbreviation for secant A?
What is the abbreviation for secant A?
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What does cot θ equal to?
What does cot θ equal to?
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What is the abbreviated notation for tangent A?
What is the abbreviated notation for tangent A?
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What is the relationship between cosecant A and sin A?
What is the relationship between cosecant A and sin A?
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What does the statement 'A t-ratio only depends upon the angle ‘θ’ and stays the same for same angle of different sized right triangles' refer to?
What does the statement 'A t-ratio only depends upon the angle ‘θ’ and stays the same for same angle of different sized right triangles' refer to?
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Study Notes
Trigonometric Concepts
- Cosine A is abbreviated as cos A.
- A trigonometric identity is an equation that is true for all values of the variables.
- In a right triangle ABC, right-angled at B, cotangent A is the ratio of the adjacent side to the opposite side.
- The reciprocal of sin A is cosecant A.
- A trigonometric identity represents a universal truth that is true for all angles and triangles.
- Secant A is abbreviated as sec A.
- Cot θ equals 1/tan θ.
- Tangent A is abbreviated as tan A.
- Cosecant A is the reciprocal of sin A, or 1/sin A.
- The statement "A t-ratio only depends upon the angle ‘θ’ and stays the same for same angle of different sized right triangles" refers to the property of trigonometric ratios being independent of the size of the triangle.
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Description
Test your knowledge of Chapter 8: Introduction to Trigonometry from NCERT Class 10 Maths with this quiz. Practice MCQ questions and enhance your understanding of right-angled triangles and trigonometric ratios.
