Unit Circle (all quadrants)

How many radians make up a SEMICIRCLE?

• 90

• $\pi$

• $2\pi$

• $\frac{3\pi}{4}$

Which degree is equivalent to  $\frac{\pi}{4}$  ?

•  $210\degree$  

•  $45\degree$  

•  $150\degree$  

•  $60\degree$  

What is the radian measure at  $315\degree$  ?

•  $\frac{3\pi}{4}$  

•  $\frac{\pi}{2}$  

•  $\frac{7\pi}{4}$  

•  $\frac{7\pi}{6}$  

Tags

CCSS.HSF.TF.A.1

True or False? Only the cosine trig functions are positive in Quadrant II.

• True

• False

What is the order of the coordinate pairs for the points on the Unit Circle?