6. Trigonometric Identities and More Equations

Given $\(\tan\]\theta\)=\(\frac{5}{12}\)$ and 0 < $\(\theta\)$ < $\(\frac{\pi}{2}\)$, find $\(\cos\[\left\)(2\(\theta\]\right\))$.

Find values of the sine and cosine functions for each angle measure.

2x, given tan x = 5/3 and sin x < 0