MATH 21 - Plane Trigonometry
- Recent Professors
- Lewis R. Felver
- Recent Semesters
- Fall 2026, Summer 2026, Spring 2026
- Class Size
- 30 students
- Credits
- 3
- Prerequisite
- � Satisfactory completion of MATH52 or by placement.
- Fall 2026 Sections
- View Fall 2026 sections of MATH 21
- Transfers To
- CSUCSU GE Area B4
- Description
- The study of trigonometric functions, their inverses and their graphs, identities and proofs related to trigonometric expressions, trigonometric equations, solving right triangles, solving triangles using the Law of Cosines and the Law of Sines, polar coordinates, and introduction to vectors.