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Math Help - calculus (integration)

  1. #1
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    Red face calculus (integration)

    find the integration of (xy^2)dx+zdy-ydz given x(t)=cos(t/2) y(t)=sin(t/3) and z(t)=(cost-sin(t/3) -1/4)
    please help me
    Last edited by Tommy; December 22nd 2008 at 05:01 PM. Reason: grouping mistake
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  2. #2
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    Is that sin(\frac{t}{3}) \;\ or \;\ \frac{sin(t)}{3}?.

    I assume the latter?.

    Please use proper grouping symbols.
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