Precalculus Trigonometry Functions

what is the amplitude of
y = 3sin (7x) -2

• 7

• -2

• 3

• 6

Sine or Cosine?

• y=sinx

• y=cosx

What is the maximum value of the wave y = 10sin(2x - 20) + 25?

• 10

• 20

• 35

• 30

A trig function has an amplitude of 4 and a minimum value of 5.  What is its maximum value?

• 7

• 9

• 11

• 13

• csc²θ

• sec²θ

• cscθ

• 1

• csc x

• tan x + 1

• cot x

• cot x + 1

Which trigonometric function is the opposite over the hypotenuse?

• Tangent

• Sine

• Cosine

• Secant

Answer explanation

Sine is written as sin(x).

Which trigonometric function is the adjacent over the hypotenuse?

• Tangent

• Sine

• Cosine

• Secant

Answer explanation

Cosine is written as cos(x).

Which trigonometric functions is the opposite over the adjacent?

• Tangent

• Sine

• Cosine

• Secant

Answer explanation

Tangent is written as tan(x).

Match each trigonometric function to their reciprocal.

• Cosecant

• Tangent

• Cotangent

• Sine

• Secant

• Cosine

Answer explanation

Cosecant is written as csc(x), secant is written as sec(x), and cotangent is written as cot(x).