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.
integral%20of%204%20sin%5E2%20(pi%20x%20/%202)%20sqrt(1%20-%20x%5E2)%20/%20pi%20for%20x=0..1
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
