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.
a=x*sqrt(1-y^2/2),b=y*sqrt(1-x^2/2)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random