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.
int (x - 1/(2 tan t))^2 + (1 - (x - 1/(2 tan t)))^2 dx dt, x=1/tan t to 1, t=pi/4 to pi/2
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random