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Double and Half Angle Formulas...

Half Angle (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson explains double angle and half angle formulas, and problems involving angular measures.
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Using Double and Half Angle Fo...

Half Angle (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson explains how to use double and half angle formulas in trigonometric applications: e.g. integrating rational functions of sine and cosine will be very hard to integrate without these f...
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