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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 real-world application problems using trig ratios, angles of elevation, and depression with step-by-step solutions.

Step-by-Step Guidance for Trigonometry Application Problems

Study Guide - Learn with Videos

Trigonometric Functions on Right Triangles

Solving Right Triangles

Angles in Standard Position

Complementary and Supplementary Angles