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-   -   integral of tanh^3 x sech x dx (https://www.askmehelpdesk.com/showthread.php?t=687868)

  • Jul 28, 2012, 04:08 AM
    chobitz
    integral of tanh^3 x sech x dx
    integral of tanh^3 x sech x dx
  • Jul 28, 2012, 04:08 AM
    chobitz
    Can someone please help me with this problem, I have been trying to solve this for hours now and still no luck :(
  • Jul 29, 2012, 12:56 PM
    ebaines
    Try using integration by parts



    with

    .

    You will have to apply a couple of identities such as cosh^2x -sinh^2x =1. Post your attempt and we'll help you along if you get stuck.

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