Math Help - Trig identities test tom

1. Trig identities test tom

is there any tips that i should know of?

2. Re: Trig identities test tom

Maybe that $\tan \theta = \frac{\sin \theta}{\cos \theta}$

What level of math are you studying?

3. Re: Trig identities test tom

$\tan \theta = \frac{\sin \theta}{\cos \theta}$ and $\sin^2 \theta+\cos^2 \theta=1$