College Math Placement Test Trigonometry 3

Question 1

What is the amplitude of y = −3 sin(x)?

Accepted Answer

3

Answer

-3

Answer

1/3

Answer

π

Question 2

What is the value of arcsin(−1)?

Accepted Answer

−π/2

Answer

π/2

Answer

π

Answer

−π

Question 3

Simplify: (1 − cos²θ) / sin θ

Accepted Answer

sin θ

Answer

cos θ

Answer

tan θ

Answer

1

Question 4

What is the reference angle for 240°?

Accepted Answer

60°

Answer

30°

Answer

120°

Answer

240°

Question 5

What is cos(π/3)?

Accepted Answer

1/2

Answer

√3/2

Answer

√2/2

Answer

√3/3

Question 6

The graph of y = tan(x) has vertical asymptotes at x =

Accepted Answer

π/2 + nπ

Answer

nπ

Answer

π/4 + nπ

Answer

2nπ

Question 7

Which expression equals sin(2θ)?

Accepted Answer

2 sin θ cos θ

Answer

sin²θ − cos²θ

Answer

cos²θ − sin²θ

Answer

2 cos²θ − 1