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.
{x = 16sin^3 (t), y = 13cos(t) - 5cos(2t) - 2cos(3t) - cos(4t)}
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random