Chapter 3 Test Review

The value of cos(-π/6) is

• √2/2

• √3/2

• 1/2

• -1/2

The value of sin(7π/6) is

• 1/2

• -1/2

• -√3/2

• -√2/2

cos(60°)

• 0
• 1/2
• √3/2
• 1

Tags

CCSS.HSG.SRT.C.7

cos 150^o

• -1/2

• 1/2

• √3/2

• -√3/2

Tags

CCSS.HSF.TF.A.2

What is the radius of a unit circle?

• 1
• 2
• 1/2
• 0

Tags

CCSS.HSF.TF.A.2

sinθ is positive in

• the 1st and 2nd quadrants
• the 1st and 3rd quadrants
• the 1st and 4th quadrants
• the 2nd and 3rd quadrants

Tags

CCSS.HSF.TF.A.2

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

Tags

CCSS.HSF.TF.A.2

What is the exact coordinates of  3π/4 on the unit circle?

• (−√2∕2, √2∕2)
• (−√2∕2, −√2∕2)
• (−√3∕2, −√2∕2)
• (√2∕2, −√2∕2)

Tags

CCSS.HSF.TF.A.2

• √3/3
• √3
• 1
• undefined

Tags

CCSS.HSF.TF.A.2

tan(3π/4)

• √2/2
• -√2/2
• √3/2
• -1

Tags

CCSS.HSF.TF.A.2