Hi please help to solve this integral .
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Originally Posted by parkhid Hi please help to solve this integral . integrate Sqrt[1 + (Cos[x])^2] - Wolfram|Alpha Where has the integral come from?
The main question intend is to calculate the length of arc which will create by F(x) = Sin(X) from 0 to pi . so, we should calculate this : and if we put cosx instead of y' we have the above integral. Iam very Now . what is ellipitic integral ??????
Originally Posted by parkhid The main question intend is to calculate the length of arc which will create by F(x) = Sin(X) from 0 to pi . so, we should caclculate this : and if we put cosx instead of y' we have the above integral. Well, as you can see, it can't be done using a finite number of elementary functions.
Is There any other way to solve ?
it's been asnwered before.
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