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Math Help - Integration by substitution

  1. #1
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    Integration by substitution

    Hi, I desperately need hlep on this problem:
    If m and n are positive integers, show that

    int_0^(pi/2) cos^m[x]sin^m[x] dx is equal to

    (2^-m) int_0^(pi/2) cos^m[x] dx

    Thank so much in advance
    Last edited by MagicS06; May 4th 2007 at 06:45 AM. Reason: I need to fix something, it should be: If m is a positive integer, please neglect the n
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    Perhaps thou mean this.
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