Finding an angle w/ the inverse using the unit circle

 $\sin^{-1}\ \frac{\sqrt{3}}{2}$  

•  $120\degree\ or\ \frac{2\pi}{3}$  

•  $60\degree\ or\ \frac{\pi}{3}$  

•  $30\degree\ or\ \frac{\pi}{6}$  

•  $-30\degree\ or\ -\frac{\pi}{6}$  

Tags

CCSS.HSF.TF.B.7

 $\sin^{-1}\ \frac{\sqrt{2}}{2}$  

•  $45\degree\ or\ \frac{\pi}{4}$  

•  $135\degree\ or\ \frac{3\pi}{4}$  

•  $-45\degree\ or\ -\frac{\pi}{4}$  

• None of the above

Tags

CCSS.HSF.TF.B.7

 $\sin^{-1}\ \left(-0.5\right)$  

•  $120\degree\ or\ \frac{2\pi}{3}$  

•  $330\degree\ or\ \frac{11\pi}{6}$  

•  $-30\degree\ or\ -\frac{\pi}{6}$  

• None of the above

Tags

CCSS.HSF.TF.B.7

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

•  $-45\degree\ or\ -\frac{\pi}{4}$  

•  $315\degree\ or\ \frac{7\pi}{4}$  

•  $135\degree\ or\ \frac{3\pi}{4}$  

• None of the above

Tags

CCSS.HSF.TF.B.7

 $\sin^{-1}\ \left(0\right)$  

•  $180\degree\ or\ \pi$  

•  $0\degree\$  

•  $90\degree\ or\ \frac{\pi}{2}$  

•  $-90\degree\ or\ -\frac{\pi}{2}$  

Tags

CCSS.HSF.TF.B.7

 $\cos^{-1}\ \frac{\sqrt{2}}{2}$  

•  $45\degree\ or\ \frac{\pi}{4}$  

•  $135\degree\ or\ \frac{3\pi}{4}$  

•  $-45\degree\ or\ -\frac{\pi}{4}$  

• None of the above

Tags

CCSS.HSF.TF.B.7

 $\cos^{-1}\ \frac{\sqrt{3}}{2}$  

•  $-30\degree\ or\ -\frac{\pi}{6}$  

•  $30\degree\ or\ \frac{\pi}{6}$  

•  $60\degree\ or\ \frac{\pi}{3}$  

•  $120\degree\ or\ \frac{2\pi}{3}$  

Tags

CCSS.HSF.TF.B.7

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

•  $315\degree\ or\ \frac{7\pi}{4}$  

•  $-45\degree\ or\ -\frac{\pi}{4}$  

•  $135\degree\ or\ \frac{3\pi}{4}$  

•  $225\degree\ or\ \frac{5\pi}{4}$  

Tags

CCSS.HSF.TF.B.7

 $\cos\ \left(1\right)$  

•  $90\degree\ or\ \frac{\pi}{2}$  

•  $0\degree$  

•  $45\degree\ or\ \frac{\pi}{4}$  

•  $225\degree\ or\ \frac{5\pi}{4}$  

Tags

CCSS.HSF.TF.A.2

 $\cos^{-1}\ \left(-1\right)$  

•  $180\degree\ or\ \pi$  

•  $270\degree\ or\ \frac{3\pi}{2}$  

•  $315\degree\ or\ \frac{7\pi}{4}$  

•  $135\degree\ or\ \frac{3\pi}{4}$  

Tags

CCSS.HSF.TF.B.7