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Math Help - Can someone please help me find the smallest positive number = x in the following eq

  1. #1
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    Question Can someone please help me find the smallest positive number = x in the following eq

    Can someone please help me find the smallest positive number = x in the following eq:

    Last edited by mr fantastic; July 10th 2010 at 03:25 PM. Reason: Copied title into main body of post.
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  2. #2
    MHF Contributor Also sprach Zarathustra's Avatar
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    Hint:

    Substitute t=cos(x), and solve quadratic equation, in other words: find roots...
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  3. #3
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    That worked, thank you sooo much!!
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