Unit Circle - Practice

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

sin 7π/6

• 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

What is the exact value of sin 150°

• -1/2
• -√3/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.2

cosθ is positive in

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

tan 7π/4

• -1
• 1
• √2/2
• undefined

Tags

CCSS.HSF.TF.A.2

tan(11π/6) =

• √3/2
• -√3
• -1/2
• -√3/3

tan(7π/3) =

• √3/2
• -√3/2
• √3
• -√3

sin(-240) =

• √3/2
• 1/2
• -1/2
• -√3/2