Trigonometric Identities and Functions Test

Find sin y if sec y = √30/5 and tan y < 0.

• √6/6

• √5/10

• -√6/6

• -√5/10

Tags

CCSS.HSF.TF.C.8

• cotθ

• tanθ

• cot²θ

• csc²θ

Simplify.

• 2csc²y + 1

• tan²y - 1

• -sin²y

• cos²y

Find cot β if csc β = -3√5/5 and sec β = -3/2.

• √5/2

• 9√5/10

• 5√5/2

• 2√5/5

Tags

CCSS.HSF.TF.C.8

cos(-2π/3)

• √3/2

• -√3/2

• 1/2

• -1/2

Tags

CCSS.HSF.TF.A.2

Give the reference angle of 8π/5 in radians.

• π/5

• 2π/5

• π/10

• 3π/10

Which functions have a value of 1? Check all that apply.

• tan(-π/4)

• sin(π/2)

• cos(π)

• sec(3π/2)

• cot(-3π/4)

Tags

CCSS.HSF.TF.A.2

• A

• B

• C

• C

• A

• B

• C

• D

• A

• B

• C

• D

Tags

CCSS.HSF-IF.C.7E