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Thread: I need help :)

  1. December 17th 2007, 03:29 AM #1
    Luckegrl_16
    Luckegrl_16 is offline
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    I need help :)

    I usually don't hav a problem with these, but this one is jst getting to me...

    simplify: cot x csc x - cot x csc x cos^2 x

    Thanks guys
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  2. December 17th 2007, 03:41 AM #2
    badgerigar
    badgerigar is offline
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    simplify: cot x csc x - cot x csc x cos^2 x
    = cot (x) csc (x)(1 - cos^2 (x)) <br /> = cot (x) csc (x) sin^2 (x)
    = cos (x)
    Last edited by badgerigar; December 17th 2007 at 03:42 AM. Reason: clarity
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