# Trigonometry For Dummies

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**Part I: The Basics.**

Chapter 1: Trouncing Trig Technicalities.

Chapter 2: Coordinating Your Efforts with Cartesian Coordinates.

Chapter 3: Functioning Well.

Chapter 4: Getting Your Degree.

Chapter 5: Dishing Out the Pi: Radians.

Chapter 6: Getting It Right with Triangles.

**Part II: Trigonometric Functions.**

Chapter 7: Doing Right by Trig Functions.

Chapter 8: Trading Triangles for Circles: Circular Functions.

Chapter 9: Applying Yourself to Trig Functions.

**Part III: Identities.**

Chapter 10: Trig’s Basic Identities.

Chapter 11: Operating on Identities.

Chapter 12: Proving Identities.

**Part IV: Equations and Applications.**

Chapter 13: Investigating Inverse Trig Functions.

Chapter 14: Solving Trig Equations.

Chapter 15: Obeying the Laws.

**Part V: The Graphs of Trig Functions.**

Chapter 16: Graphing Sine and Cosine.

Chapter 17: Graphing Tangent and Cotangent.

Chapter 18: Graphing Other Trig Functions.

Chapter 19: Topping Off Trig Graphs.

**Part VI: The Part of Tens.**

Chapter 20: Ten Basic Identities . . . Plus One.

Chapter 21: Ten Not-So-Basic Identities.

Chapter 22: Ten Ways to Find the Area of a Triangle.

Chapter 23: Ten Sine Curves Representing Monthly Temperatures.

Appendix: Trig Functions Table.

Index.