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Thread: Help w/ Trig Integrals

  1. #16
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    Let's see the second one, PH. But, be sure to go in slow, methodical, baby steps.

    Speaking of which, can you recommend a good book on complex analysis from which I could learn more?.
    Last edited by galactus; Jul 15th 2007 at 04:40 AM.
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  2. #17
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    clarify

    all solutions are corect right?
    \int\sin{x}(1-\cos^2{x})\cos^3{x}dx

    \int\sin{x}\cos^3{x} - \sin{x}\cos^5{x}dx

     -\frac{1}{4}\cos^4{x} + \frac{1}{6}\cos^6{x}dx

    Edit wrong signs
    Last edited by ^_^Engineer_Adam^_^; Jul 15th 2007 at 03:57 AM.
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  3. #18
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    \int[sin^{3}(x)cos^{3}(x)]dx

    \int[sin^{3}(x)(1-sin^{2}(x))cos(x)]dx

    \int[(sin^{3}(x)-sin^{5}(x))cos(x)]dx

    \frac{1}{4}sin^{4}(x)-\frac{1}{6}sin^{6}(x)+C
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  4. #19
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    Quote Originally Posted by galactus View Post
    Let's see the second one, PH. But, be sure to go in slow, methodical, baby steps.

    Speaking of which, can you recommend a good book on complex analysis from which I could learn more?.
    It is a very long derivation. Instead you can go here and watch the proof.


    As for the Complex Analysis book ask me in a PM.
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  5. #20
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    Thanks, PH
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