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.
4t+3/4cost-1/12cos(3t)=4t+cost-1/3cos^3t
4t+3/4cost-1/12cos(3t)=4t+cost-1/3cos^3t
Natural Language
Math Input
Extended Keyboard
