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Math Notes

Trig Identities I -- Basic Identities

Introduction

Worked Examples

Problem Solving Tips

Additional Problems with Answers

Links to Outside Sources

Trigonometric Indentities
Trigonometry
Trig Identities
Trigonometry identities

Links to Supporting Topics

Trig Identities II -- Double Angle Identities
Trig Identities III -- Half-Angle Identities
Trig Identities IV -- Other Identities
Trig Identities V -- Solving Equations and Simplifying Expressions
Trig Identities VI -- Word Problems

History

History
Trigonometry
History of Mathematics - Beginnings of Trigonometry
The birth of trigonometry
History of Trigonometry