Trig Cheat Sheet
Trig Cheat Sheet: Trigonometry is the study of triangles, which contain angles, of
course. Get to know some special rules for angles and various other important functions,
definitions, and translations. Sines and cosines are two trig functions that factor heavily
into any study of trigonometry; they have their own formulas and rules that you’ll want
to understand if you plan to study trig for very long.
Definition of the trig functions
Right Triangle Definition
Unit Circle Definition
