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Math Help - How do you solve this kind of problem?

  1. #1
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    How do you solve this kind of problem?

    \int(1-cos^{2}x)cos^{2}xsinx dx


    thanks
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  2. #2
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    Quote Originally Posted by honestliar View Post
    \int(1-cos^{2}x)cos^{2}xsinx dx


    thanks
    Substitute u = cos x.
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  3. #3
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    Quote Originally Posted by mr fantastic View Post
    Substitute u = cos x.
    Can you please show it step by step?
    Thanks
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  4. #4
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    What part can you not do for yourself? If u= cos x, what is du? Do you see how that helps?
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  5. #5
    JML
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    hint: let u=cos(x) then \frac{du}{dx} = -sin(x)
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