(Solved): help plz Find \( \sin 2 \theta \) and \( \cos 2 \theta \) if \( \tan \theta=\frac{13}{84} \) and \( ...

Find \( \sin 2 \theta \) and \( \cos 2 \theta \) if \( \tan \theta=\frac{13}{84} \) and \( 0 \leq \theta \leq \pi / 2 \) (Use Symbolic notation and fractions where needed.) \( \sin 2 \theta=\quad \) help (fractions) \[ \cos 2 \theta= \]