find the missing side using a^2+b^2=c^2 (answer should be an integer)
using answer from #2, find the ratio for tanA, and find the ratio for cosB
![find the missing side using a2b2c2 answer should be an integer using answer from 2 find the ratio for tanA and find the ratio for cosB class=](https://us-static.z-dn.net/files/d3f/8553a95f794f2f50f0443a159f3ee7de.png)