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Math Help - inverse tangent series (euler's derivaiton)

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    inverse tangent series (euler's derivaiton)

    Substitute x=z/N where z is finite into to obtain . Remembering that ,so ,conclude that
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    MHF Contributor Mathstud28's Avatar
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    Quote Originally Posted by bigb View Post
    Substitute x=z/N where z is finite into to obtain . Remembering that ,so ,conclude that
    What exactly is your question? You seem to have a solution here?
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    Quote Originally Posted by Mathstud28 View Post
    What exactly is your question? You seem to have a solution here?
    I plug in z/N but i cant get the first part?
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    Quote Originally Posted by Mathstud28 View Post
    What exactly is your question? You seem to have a solution here?
    I get , but i dont know how to get the first part by getting rid of the arcsin part.
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