Unit Circle Homework Part II

What is the angle measure, in degrees, at the red marking on the unit circle?

• 30°
• 45°
• 60°
• 90°

Tags

CCSS.HSF.TF.A.2

What is the value of θ, theta, in degrees on the unit circle?

• 30°
• 45°
• 60°
• 90°

Tags

CCSS.HSF.TF.A.2

Based on the unit circle, what is the value of sin?

• y

• x

• x/y

• y/x

Tags

CCSS.HSF.TF.A.2

Based on the unit circle, what is the value of tan?

• y/r
• x/r
• r/y
• y/x

Tags

CCSS.HSF.TF.A.2

What is the radius of the unit circle?

• 0
• 1
• 1/2
• √2/2

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.C.8

CCSS.HSG.C.B.5

CCSS.HSG.GPE.A.1

Find sin(-240°)

• (√3)/2)

• (-1/2)

• (√2/2)

• (1/2)

Tags

CCSS.HSF.TF.A.4

Find cos(600°)

• (-1/2)

• (-√3/2)

• (√3/2)

• (√2/2)

Tags

CCSS.HSF.TF.A.4

tan 270

• 0
• 1
• -1
• undefined

Tags

CCSS.HSF.TF.A.2

sin 180

• 0
• 1
• -1
• undefined

Tags

CCSS.HSG.SRT.C.7

cos 180

• 0
• 1
• -1
• undefined

Tags

CCSS.HSG.SRT.C.7