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Proving trig identity

  1. Mar 6, 2006 #1
    figured it out thanks!
    Last edited: Mar 6, 2006
  2. jcsd
  3. Mar 6, 2006 #2


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    Really this is so easy that I think you need to spend a couple more minutes playing with it on your own.

    Remember the best way to start is to express everything in terms of sine and cosine.
    Last edited: Mar 6, 2006
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