# Classwork: Practicing trig function values of special angles

1. Find the exact value of cos-150º

2. Find the exact value of sin315º

3. Find the exact value of cot180º

4. If $\cos\theta=\frac{-2}{3}$ and $\cot\theta=3$ find $\csc\theta$

5. If $\csc\theta=12$ and $\sec\theta=8$ find $\tan\theta$