Unit Circle Test Review

What is the reference angle for 125°?

• 235°

• 125°

• 75°

• 55°

Tags

CCSS.HSF.TF.A.3

What is the reference angle for 275°?

• 85°

• 95°

• -85°

• -95°

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8

What is the reference angle?

• 163

• 73

• 27

• 107

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

Convert 150⁰ to radians

• 5π/6
• 3π/4
• 7π/6
• 2π/3

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSG.C.B.5

What is 7π/4 radians in degrees?

• 300
• 135
• 315
• 45

Tags

CCSS.HSF.TF.A.1

sin 150

• -1/2
• -√3/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.3

cos 90

• 0
• 1
• -1
• undefined

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

Find the value of y.

• 8
• 4
• 2√3
• 8√3

Tags

CCSS.HSF.TF.A.3

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8