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Math Help - Trig reduction

  1. #1
    pkr
    pkr is offline
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    Nov 2008
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    Trig reduction

    I know how to go about solving the problem but can't reduce the terms down to something simpler.



    I can't simplfy the 3rd and 4th equations listed, can anyone help?
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  2. #2
    Senior Member
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    Dec 2008
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    does the 4th one become 3tcos(t)-4? could be way off on that sorry
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