Evaluate Basic Trig Functions 45 seconds

Without a calculator or unit circle, find the exact answer for

sin 0

• 0

• 1

• -1

• undefined

Without a calculator or unit circle, find the exact answer for

cos 0

• undefined

• -1

• 0

• 1

Without a calculator or unit circle, find the exact answer for

tan 0

• 1

• -1

• 0

• undefined

Without a calculator or unit circle, find the exact answer for

 $\sin\frac{\pi}{6}$  

•  $-\frac{1}{2}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\frac{1}{2}$  

•  $-\frac{\sqrt{3}}{2}$  

Without a calculator or unit circle, find the exact answer for

 $\cos\ \frac{\pi}{6}$  

•  $\frac{\sqrt{3}}{2}$  

• 1

•  $\frac{1}{2}$  

• 0

Without a calculator or unit circle, find the exact answer for

 $\tan\ \frac{\pi}{6}$  

•  $\sqrt{3}$  

• 1

•  $\frac{\sqrt{3}}{2}$  

•  $\frac{\sqrt{3}}{3}$  

Without a calculator or unit circle, find the exact answer for

 $\sin\ \frac{\pi}{4}$  

•  $\frac{\sqrt{2}}{2}$  

•  $\frac{\sqrt{3}}{2}$  

•  $\frac{1}{2}$  

•  $\sqrt{3}$  

Without a calculator or unit circle, find the exact answer for

 $\cos\ \frac{\pi}{4}$  

• 1

•  $\frac{\sqrt{2}}{2}$  

•  $\frac{1}{2}$  

•  $\frac{\sqrt{3}}{2}$  

Without a calculator or unit circle, find the exact answer for

 $\tan\ \frac{\pi}{4}$  

• undefined

•  $\frac{1}{2}$  

•  $\frac{\sqrt{3}}{2}$  

• 1

Without a calculator or unit circle, find the exact answer for

 $\sin\ \frac{\pi}{3}$  

•  $\frac{1}{2}$  

•  $\frac{\sqrt{3}}{2}$  

• 1

•  $\frac{\sqrt{2}}{2}$