# Talk:Primitive of Reciprocal of Hyperbolic Sine of a x by Hyperbolic Cosine of a x

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This result doesn't seem right, surely you should invoke Primitive of Function under its Derivative for the last step? And differentiating the result doesn't get you back to the integrand in any way obvious to me --GFauxPas (talk) 15:10, 14 August 2014 (UTC)

- Sorry. Mistake. Trying to do too much at the moment. --prime mover (talk) 19:16, 14 August 2014 (UTC)