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Math Help - has my teacher been wrong here..

  1. #1
    MHF Contributor
    Joined
    Nov 2008
    Posts
    1,401

    does my teacher has a mistake here..

    http://i28.tinypic.com/qz54aw.jpg

    he reduced 2 points
    and put s on the numerator making it cosine formula.
    also i clearly transformed sinus
    Last edited by transgalactic; August 28th 2009 at 03:00 AM.
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