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4/22/2010 Trigonometry

Double and Half Angle Formulas

Trevor Warburton

on 27 April 2010

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Transcript of 4/22/2010 Trigonometry

How do I use double and half angle formulas? What are the double and half angle formulas? Check Quiz Opener Homework p. 481; 4-7, 9-10, 13-14, 31-33, 50, 55 Find sin 285 and cos 15 p. 490; 7-9, 19, 21, 38, 48
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