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.
plot%28y%3Dx%2Cy1%3Dx%5E2%2Cr%3Dcos%28theta%29%2Cr1%3Dsin%28theta%29%29
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
