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Math Help - Finding local max and minimums

  1. #1
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    Oct 2008
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    Finding local max and minimums

    g(X)=x+2sinx, 0 less than or equal to X which is less than or equal to 2pie
    for the first derivative i got
    g'(x)=1+2cosx
    g'(x)=0, 1+2cosx=0
    cosx = -(1/2)
    There is another number, how do i figure it out?
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  2. #2
    Junior Member
    Joined
    Sep 2008
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    Find the critical numbers by solving for X.
    Then do the first derivative test.
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