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 _0^1\int _x^1\cos \left(\frac{\pi }{2}y\right)dydx
\int _0^1\int _x^1\cos \left(\frac{\pi }{2}y\right)dydx
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random