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Thread: arcten2+arctan3

  1. January 22nd 2013, 03:19 AM #1
    Boo
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    arcten2+arctan3

    Dear all!
    Please, how do I get that for x>1 all arctan\frac{x+1}{x-1}+arctan(x)=arctan2 + arctan3

    Many thanks!
    Last edited by Boo; January 22nd 2013 at 09:32 AM.
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  2. January 22nd 2013, 05:52 AM #2
    topsquark
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    Re: arcten2+arctan3

    Quote Originally Posted by Boo View Post
    Dear all!
    Please, how do I get that for x>1 all arctan\{x+1}{x-1}=arctan2 + arctan3

    Many thanks!
    Again, more clarification. x + 1x -1 = 2x - 1. Possibly x^2 + x - 1?

    Please edit these before you post!

    -Dan
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