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Thread: evaluate integral

  1. November 21st 2008, 12:22 PM #1
    cityismine
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    evaluate integral

    How do I evaluate the integral: e^x*sinx

    I tried doing integration by parts, but it got me nowhere.
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  2. November 21st 2008, 12:24 PM #2
    Mathstud28
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    Quote Originally Posted by cityismine View Post
    How do I evaluate the integral: e^x*sinx

    I tried doing integration by parts, but it got me nowhere.
    It is integration by parts, try again twice and you will get something like

    \int{e^x\sin(x)}dx=\text{stuff}+A\int{e^x\sin(x)}d x

    Where A is some constant. From there just pretend this is an equation and solve for \int{e^x\sin(x)}dx
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