### How to Do Trigonometry: Simplifying the Problem

Trigonometry is all about triangles. From hypotenuses to tangents, here’s a handy guide on how to avoid confusion in trigonometry.

### What Is Trigonometry? Definition, Formulas & Applications

Trigonometry is a specialist branch of geometry that deals with the study of triangles. It is sometimes informally referred to as "trig." In trigonometry, mathematicians study the relationships between the sides and angles of triangles. Right triangles, which are triangles with one angle of 90 degrees, are a key area of study in this area of mathematics.