Unit Circle Practice

What is the value of sine at 210°?

• 1/2

• -1/2

• √3 / 2

• -√3 / 2

Tags

CCSS.HSF.TF.A.2

What is the value of cosine at 135°?

• 0

• 1/2

• √2 /2

• -√2 /2

Tags

CCSS.HSF.TF.A.2

cos 5π/6

• -1/2
• 1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

cos 4π/3

• -√3/2
• √3/2
• 1/2
• -1/2

Tags

CCSS.HSF.TF.A.2

sin 2π/3

• 1/2
• -1/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

What are 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

Based on your unit circle cos(0^o)=

• 1
• 0
• -1
• 1/2

Tags

CCSS.HSF.TF.A.2

Based on your unit circle sin(90^o)=

• 1/2
• 0
• -1
• 1

Tags

CCSS.HSF.TF.A.2

cos(π)=

• 0
• 1
• -1
• 1/2

Tags

CCSS.HSG.SRT.C.7

What is the tan of 3π/2?

• -√3
• √3/3
• -1
• Undefined

Tags

CCSS.HSF.TF.A.2