Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
integrate x/(8*pi) * sec^2(u)*du / sqrt(1-x^2*sec^2(u))
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random