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.
\int_0^{\frac{\pi}{4}}\arctan \frac{\sqrt{2}\cos 3x}{(3+2\cos 2x)\sqrt{\cos 2x}} dx
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random