Precalculus - The Half-Angle Identities

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Uploaded by on May 18, 2010

Free Math Help at Brightstorm! http://www.brightstorm.com/math How to use the power reduction formulas to derive the half-angle formulas.

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  • You are a living Legend!

  • thanks bruh

    

  • I would fail math were it not for you. Thank you sooooo much :)

  • u are thE best

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