Trigonometry Basics

Question 1

True or false: Cosine is sine's complement.

Accepted Answer

True

Question 2

Which function is the reciprocal of tangent?

Accepted Answer

Cotangent

Question 3

Which function is not directly related to a triangle's angles?

Accepted Answer

Logarithm

Question 4

It is an angle opposite to the hypotenuse.

Accepted Answer

Right angle

Question 5

What is the cosine of 0 degrees?

Accepted Answer

1

Question 6

It is the study of triangles and triangle measurement.

Accepted Answer

Trigonometry

Question 7

This is the mnemonic used to easily familiarize the trigonometric ratios.

Accepted Answer

SOH-CAH-TOA

Question 8

What does 'sine' function measure?

Accepted Answer

Opposite/Hypotenuse

Question 9

True or false: Secant is reciprocal of cosine.

Accepted Answer

True

Question 10

It is the side opposite the right angle.

Accepted Answer

Hypotenuse

Question 11

Which function represents the ratio of hypotenuse to opposite?

Accepted Answer

Cosecant

Question 12

What is the hypotenuse in a 30-60-90 triangle?

Accepted Answer

Longest side

Question 13

Which is not a trigonometric function?

Accepted Answer

Derivative

Question 14

True or false: Cotangent is the inverse of tangent.

Accepted Answer

True

Question 15

Which ratio defines tangent in a right triangle?

Accepted Answer

Opposite/Adjacent

Question 16

What does 'theta' often represent?

Accepted Answer

An angle

Question 17

What is the sine of 90 degrees?

Accepted Answer

1

Question 18

Which function is used to find an angle in a triangle?

Accepted Answer

Arcsine

Question 19

Which function measures the ratio of hypotenuse to adjacent?

Accepted Answer

Secant

Questions 19