Unit Circle

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

What is a complete circle in radians?

• π
• 2π
• 1/2 π
• 1

Tags

CCSS.HSF.TF.A.2

What is half a circle in radians?

• π/4
• π
• 2π
• π/2

Tags

CCSS.HSF.TF.A.2

What the coordinates of 180° on the unit circle?

• 0, 1
• 1, 0
• -1, 0
• 0, -1

Tags

CCSS.HSF.TF.A.2

4π/3 is equal to how many degrees?

• 60°
• 240°
• 300°
• 120°

Tags

CCSS.HSF.TF.A.2

What radian measure corresponds to the point 

• π/4
• 3π/2
• 5π/4
• 7π/3

Tags

CCSS.HSF.TF.A.2

What is 7π/4 radians in degrees?

• 300
• 135
• 315
• 45

Tags

CCSS.HSF.TF.A.1