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    Hi

    I'm puzzled at how to integrate tan^-1 ((1+x / 1-x))

    thanks
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    (Original post by Nutty_Professor)
    Hi

    I'm puzzled at how to integrate tan^-1 ((1+x / 1-x))

    thanks
    IBP with u=\tan^{-1}\frac{1+x}{1-x}, dv =1.
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    Thanks for the reply

    sorry but could you show full working out please? Our teacher hasnt really taught it us very well, we can only do it in basic with simple questions and im massively confused

    thanks
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    (Original post by Nutty_Professor)
    Thanks for the reply

    sorry but could you show full working out please? Our teacher hasnt really taught it us very well, we can only do it in basic with simple questions and im massively confused

    thanks
    Just use the same trick as integrating \ln.
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    am I too late?
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    Finally got it.

    Nice one

    thanks guys (First time posting on this, sorry for being slow)
 
 
 
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