Unit Circle Practice

What is the exact value of sin 150°

• -1/2
• -√3/2
• 1/2
• √3/2

Tags

CCSS.HSF.TF.A.2

What is a complete circle in radians?

• π
• 2π
• 1/2 π
• 1

What is half a circle in radians?

• π/4
• π
• 2π
• π/2

Tags

CCSS.HSF.TF.A.2

What are the coordinates of  210° on the unit circle?

• (−√3/2, −1/2)
• (√3/2, −1/2)
• (−√3/2, 1/2)
• (−1/2,−√3/2 )

What is the exact value of sin 210°

• -1/2
• -√3/2
• 1/2
• √3/2

What is the exact value of cos 330°

• -1/2
• -√3/2
• 1/2
• √3/2

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)

What is the exact value of cos 135°

• √2/2
• -√2/2
• √3/2
• -√3/2

Tags

CCSS.HSF.TF.A.2

What the coordinates of 180° on the unit circle?

• 0, 1
• 1, 0
• -1, 0
• 0, -1

4π/3 is equal to how many degrees?

• 60°
• 240°
• 300°
• 120°