Evaluate Trigonometric Functions Using Unit Circle

Evaluate the trigonometric functions using the unit circle.

Evaluate the trigonometric functions using the unit circle.

• -1

Evaluate the trigonometric functions using the unit circle.

• 2

This is the graph of which function?

• y = sin x

• y = cos x

• y = tan x

• y = csc x

• y = sec x

This is the graph of which function?

• y = sin x

• y = cos x

• y = tan x

• y = csc x

• y = sec x

Find sin^-1(√3/2)

• π/2

• π/3

• π/6

• -π/2

Find sin^-1(-1)

• 0

• -π/2

• 3π/4

• -π/4

Find tan^-1(-1)

• 3π/2

• -π/2

• -π/4

• 3π/4

What is sin(arccos0)?

• 0

• 1

• ½π, 90⁰

• π, 180⁰

Evaluate arcsin[cos(3π)]

• -1

• -½π,-90⁰

• -π, -180⁰

• none of these