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.
\frac{ 2\sin(2t)*\cos(t)-\sin(t)*4\cos(2t) }{ 2\sin(2t)^2*-\sin(2t) }
\frac{ 2\sin(2t)*\cos(t)-\sin(t)*4\cos(2t) }{ 2\sin(2t)^2*-\sin(2t) }
Natural Language
Math Input
Extended Keyboard