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 (x, y) = (cos(t), cos(3t)), 0 <= t <= 2pi
plot (x, y) = (cos(t), cos(3t)), 0 <= t <= 2pi
Natural Language
Math Input
Extended Keyboard
