Quiz: Unit Circle

 sin(30^o)=

• sqt2/2
• 1/2
• 1
• sqt3/2

Tags

CCSS.HSG.SRT.C.7

sin(150^o)=

• sqt2/2
• 1/2
• 1
• sqt3/2

Tags

CCSS.HSF.TF.A.2

cos(2π/3)

• -√2/2
• √3/2
• -1/2
• 0

Tags

CCSS.HSF.TF.A.2

• cos pi/6
• sin pi/4
• cos pi/3
• tan pi/4

Tags

CCSS.HSF.TF.A.2

• sin 7pi/6
• cos 7pi/6
• sin 5pi/6
• cos 2pi/3

Tags

CCSS.HSF.TF.A.2

cos(π)=

• 0
• 1
• -1
• 1/2

Tags

CCSS.HSF.TF.A.2

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

•  $210\degree$  

•  $45\degree$  

•  $150\degree$  

•  $60\degree$  

Tags

CCSS.HSF.TF.A.1

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.HSF.TF.A.2

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

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.2