Unit Circle Review

 Which is the value of   $\tan\frac{41\pi}{4}$  ?

• $-\frac{1}{\sqrt{2}}$

• $\frac{1}{\sqrt{2}}$

• 1

• -1

Which is the value of $\cot\frac{5\pi}{6}$ ? 

•  $\frac{1}{\sqrt{3}}$  

•  $\sqrt{3}$  

•  $-\frac{1}{\sqrt{3}}$  

•  $-\sqrt{3}$  

Which is the value of tan π?

• -1

• 1

• 0

• undefined

Which is the value of cot (-π)?

• undefined

• 0

• 1

• -1

Tangent is undefined at which values?

•  $\pi+2\pi k$  

•  $\pi+\pi k$  

•  $\frac{\pi}{2}+\pi k$  

•  $\frac{\pi}{2}+2\pi k$  

Which is the value of $\tan\ 120\degree$ ? 

•  $\frac{1}{\sqrt{3}}$  

•  $\sqrt{3}$  

•  $-\frac{1}{\sqrt{3}}$  

•  $-\sqrt{3}$  

Which is the value of $\cot\left(-\frac{\pi}{2}\right)$ ? 

•  $0$  

• undefined

• 1 

• -1

Which is the value of $\cot\left(-870\degree\right)$ ? 

•  $\frac{1}{\sqrt{3}}$  

•  $\sqrt{3}$  

•  $-\frac{1}{\sqrt{3}}$  

•  $-\sqrt{3}$  

Which is the value of $\tan\left(-\frac{17\pi}{3}\right)$ ? 

•  $\frac{1}{\sqrt{3}}$  

•  $\sqrt{3}$  

•  $-\frac{1}{\sqrt{3}}$  

•  $-\sqrt{3}$  

Which is one positive and one negative angle where tangent is  $\sqrt{3}$  ?

•  $\frac{\pi}{6},\ -\frac{5\pi}{6}$  

•  $\frac{\pi}{3},\ -\frac{4\pi}{3}$  

•  $-\frac{\pi}{6},\ \frac{5\pi}{6}$  

•  $\frac{\pi}{3},\ -\frac{2\pi}{3}$