Depends, what are looking for?
there's SOHCAHTOA (Soak-Ah-Toe-Uh)
Sine is Opposite/Hypotonuse(SOH)
Cosine is Adjacent/Hypotonuse (CAH)
Tangent is Opposite/Adjacent (TOA)
Then there are some really neat tricks to the unit circle as well if you want to know those.
