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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 unit circle concepts, graphing sine and cosine, and solving trigonometric equations for exam success.

Solving Systems: Graphical and Algebraic Solutions for Circles and Lines

Study Guide - Learn with Videos

Defining the Unit Circle

Trigonometric Functions on the Unit Circle

Common Values of Sine, Cosine, & Tangent