Trig Inverse Values

What kinds of answers are you looking for with inverses?

• trig values

• angle measures

Evaluate: 

 $\cos^{-1}\left(\frac{1}{2}\right)$  

• π/6

• π/4

• π/3

• π/2

Evaluate:

 $\sin^{-1}\left(\frac{-\sqrt{2}}{2}\right)$  

• -π/4

• -3π/4

• π/4

• 7π/4

• 0

• $\frac{\pi}{2}$

• $\pi$
  

• $2\pi$
  

• $\frac{-\pi}{3}$
  

• $\frac{\pi}{3}$
  

• $\frac{2\pi}{3}$
  

• $\frac{4\pi}{3}$
  

• -π/6

• π/6

• 5π/6

• 11π/6

• π/3

• π/4

• 3π/4

• 7π/4

 $\sin^{-1}\left(\frac{-1}{2}\right)$  

• π/3

• π/6

• 5π/6

• -π/6

 $\cos^{-1}\left(\frac{\sqrt{3}}{2}\right)$  

• π/3

• 2π/3

• π/6

• 5π/6

 $\sin^{-1}\left(-1\right)$  

• π/2

• 0

• 3π/2

• -π/2