Unit Circle Quiz

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

•  $210\degree$  

•  $45\degree$  

•  $150\degree$  

•  $60\degree$  

Tags

CCSS.HSF.TF.A.2

How many radians make up a SEMICIRCLE?

• 90

• $\pi$

• $2\pi$

• $\frac{3\pi}{4}$

Tags

CCSS.HSF.TF.A.2

What is the coordinate point at  $225\degree$  on the unit circle?

•  $\left(\frac{\sqrt{2}}{2},\frac{\sqrt{2}}{2}\right)$  

•  $\left(-\frac{\sqrt{2}}{2},\frac{\sqrt{2}}{2}\right)$  

•  $\left(-\frac{\sqrt{2}}{2},-\frac{\sqrt{2}}{2}\right)$  

•  $\left(\frac{\sqrt{2}}{2},-\frac{\sqrt{2}}{2}\right)$  

Tags

CCSS.5.G.A.1

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

• True

• False

Tags

CCSS.HSF.TF.A.2

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

• $\left(\tan\theta,\sin\theta\right)$

• $\left(\cot\theta,\cos\theta\right)$

• $\left(\sin\theta,\cos\theta\right)$

• $\left(\cos\theta,\sin\theta\right)$

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

 $\tan\left(30\degree\right)$  

•  $\sqrt{3}$  

•  $\frac{\sqrt{3}}{3}$  

•  $1$  

•  $-\sqrt{3}$  

Tags

CCSS.HSF.TF.A.2

 $\cos\left(135\degree\right)$  

•  $\frac{\sqrt{2}}{2}$  

•  $-\frac{\sqrt{2}}{2}$  

•  $-\frac{1}{2}$  

•  $\frac{\sqrt{3}}{2}$  

Tags

CCSS.HSF.TF.A.2

Convert 100⁰ to radians

• 5π/9
• π/2
• 5π/8
• 5π/6

Tags

CCSS.HSF.TF.A.2

What are the coordinates that go above the red line?

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

Tags

CCSS.HSF.TF.A.2

What is the value of theta in degrees?

• 30
• 45
• 60
• 90