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Re: Simple but difficult integral ? Help ..!??


It works for me!

Integrate[Sqrt[1 + Sin[x]^2], x]

EllipticE[x,-1]


Cheers,

Kevin

>I need some help with the following intrgral
>
>Int ( sqrt ( 1 + (sin[x])^2  )) dx.
>
>Thanks for your time and help,
>
>Dany,
>
>



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