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Angles, identities, and trig functions giving you trouble? Trigonometry is explained step-by-step so solving problems feels more approachable.

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Patrick Ford

Callie Rethman

Nick Kaneko

0. Review of College Algebra

1. Measuring Angles

2. Trigonometric Functions on Right Triangles

3. Unit Circle

4. Graphing Trigonometric Functions

5. Inverse Trigonometric Functions and Basic Trigonometric Equations

6. Trigonometric Identities and More Equations

7. Non-Right Triangles

8. Vectors

9. Polar Equations

10. Parametric Equations

11. Graphing Complex Numbers

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This trigonometry study guide covers converting degrees to radians, simplifying expressions, and solving trigonometric equations for exam success.

Trigonometry Study Guide: Key Concepts & Practice Problems

Evaluating Trigonometric Functions for Special Angles

Polar Form of Complex Numbers

Products and Quotients of Complex Numbers

Evaluating Trigonometric Functions for Special Angles

Study Guide - Learn with Videos

Polar Form of Complex Numbers

Products and Quotients of Complex Numbers