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Proving Inverse Hyperbolic Function

  1. May 4, 2012 #1
    Can someone please do a step by step proof for this or send me a link to a step by step webpage.

    Thank you very much

    Cosh^(-1 ) A/x=( x √(X^( 2 )+A ))/2a

    my attempt=>
    Cosh^(-1 ) = y

    A/x = Cosh^(-1 )

    A/x = Sechy
    A/x= (2/(e^2 + e^-2))
  2. jcsd
  3. May 4, 2012 #2
  4. May 4, 2012 #3
    Thank you , but I have looked at both of those websites.

    Im having problems with the manipulation
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