Trigonometry Review 4.1-4.2

Which one of the six trigonometric functions has a period of 2π and passes through the point (π/2, 1)?

• sin x

• cos x

• tan x

• csc x

• None of these

Which one of the six trigonometric functions has a period of 2π and passes through the point (2π, 1)?

• sin x

• cos x

• tan x

• csc x

• None of these

For the function y = -1 sin x, identify the amplitude.

• -1π/2

• -1

• 1

• None of these

• None of these

For the function y = 2 + 4 cos 3x, identify the period.

• 3π

• None of these

What is the domain of cos x?

• [-1, 1]

• (-∞, ∞)

• [0, 2π]

• (-∞, -1] ∪ [1, ∞)

• None of these

What is the range of sin x?

• (-∞, ∞)

• [-1, 1]

• (-∞, -1] ∪ [1, ∞)

• xπ - π/2 + nπ

• None of these

Identify which point satisfies the function y = 2 cosx.

• (π, 0)

• (3π/2, -2)

• (0, -2)

• (π/2, 0)

• None of these

Identify which point satisfies the function y = -3 sinx.

• (π, 3)

• (3π/2, 3)

• (0, -3)

• (π/2, 3)

• None of these

Identify the phase shift for the function y = 2 + sin (x + π/2).

• π/2 to the right

• π/2 to the left

• 2 units left

• D. No phase shift

• E. None of these