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Math Help - find the value

  1. #1
    Member kjchauhan's Avatar
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    find the value

    Please help me to obtain the value of the following:
    \tan\left(i\log\left[\frac{a-ib}{a+ib}\right]\right)
    Thanks...
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  2. #2
    MHF Contributor
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    Re: find the value

    Start by writing the tangent function in terms of sines and cosines, then write the sines and cosines in terms of the complex exponential. Things should simplify greatly...
    Thanks from Shakarri and topsquark
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