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Math Notes

Trig Identities III -- Half-Angle Identities

Introduction

 

Worked Examples

 

Problem Solving Tips

 

Additional Problems with Answers

 

Links to Outside Sources

Trigonometric Identities
Double and Half-Angle Identities
Trigonometric Identities Equations - Trigonometry - EquationSheet
Trigonometric identity - Wikipedia
Half-Angle Formulas -- From MathWorld
OUTFO - Trigonometric Identities - Half-Angle

Links to Supporting Topics

Trig Identities I -- Basic Identities
Trig Identities II -- Double 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

 

 
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