Unit Circle

What is  $225\degree$   in radians? 

•  $\frac{7\pi}{4}$  

•  $\frac{5\pi}{4}$  

•  $\frac{3\pi}{4}$  

•  $\frac{5\pi}{3}$  

Tags

CCSS.HSF.TF.A.1

What is  $\frac{11\pi}{6}$   radians in degrees? 

• 30

• 330

• 360

•  300

Tags

CCSS.HSF.TF.A.1

Convert π radians to degrees.

• 90⁰
• 180⁰
• 360⁰
• 60⁰

Tags

CCSS.HSF.TF.A.1

 $\frac{8\pi}{3}$  is equivalent to what degree measure?

•  $480\degree$  

•  $240\degree$  

•  $800\degree$  

•  $24\degree$  

Tags

CCSS.HSF.TF.A.1

Convert -520^o into Radians

• -17π / 4

• -21π / 6

• -26π / 9

• -23π / 6

Tags

CCSS.HSF.TF.A.1

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

Positive angles are measured in what direction?

Negative angles are measured in the __________ direction

Find the measure of the angle, in radians.

Find the measure of the angle, in radians.