10 Questions
What is a statement that is true on condition that the variable is replaced with the correct value?
Conditional Equation
What is an equation that is true for all valid replacements of the variable?
Identity
What is the reciprocal of cos 𝜃?
sec 𝜃
What is the Pythagorean identity in trigonometry?
sin^2 𝜃 + cos^2 𝜃 = 1
What is the angle formed by the horizontal and the line of sight?
Angle of Elevation
What is the law used to determine the measures of the other sides and the angles if the measure of an angle and the side opposite to that angle are given?
Law of Sines
What is the formula used to determine the measure of the side of a triangle if the measures of the other two sides and the angle between them are given?
Law of Cosines
What is the reciprocal of tan 𝜃?
cot 𝜃
What is the formula used to determine the measure of an angle of a triangle if the measures of the three sides are given?
Law of Cosines
What is the definition of the sine of an angle 𝜃?
sin 𝜃 = opposite side / hypotenuse
Learn about angles, their parts, and types in this pre-calculus quiz. Covers vertex, arms, and measure of rotation.
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