1. ## Unit circle

If , then provide numerical values for each of the following. Notice that for the first two expressions the denominator is already included.

/
/

i dont know understand the question,what do they want?i went to french school my whole life till this year

2. i still dont understand, can someone just do the first number so that i can understand the others???? gaw

3. Originally Posted by wannous
i still dont understand, can someone just do the first number so that i can understand the others???? gaw
Find the exact value of $\sin \left( \frac{5 \pi}{4} \right)$, $\cos \left( \frac{5 \pi}{4} \right)$, $\tan \left( \frac{5 \pi}{4} \right)$ and $\sec \left( \frac{5 \pi}{4} \right)$.

Either use the symmetry of the unit circle or use the figure provided in a previous post.