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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 between polar and rectangular coordinates, plotting points, and solving related equations.

Trigonometry Study Guide: Polar & Rectangular Coordinates

Converting Between Polar and Rectangular Coordinates

Polar Form of Complex Numbers

Convert Points Between Polar and Rectangular Coordinates

Converting Between Polar and Rectangular Coordinates

Study Guide - Learn with Videos

Polar Form of Complex Numbers

Convert Points Between Polar and Rectangular Coordinates