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

A trigonometry tutor is an individual who tutors another person or people in mathematics, specifically in the area of trigonometry. Trigonometry is a branch of mathematics that focuses on the study of triangles; most students learn this subject in high school.

### 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.