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.
sqrt((2(cos 2x - cos 3x - cos x))^2 +(2 (sin 3x - sin 2x + sin x ))^2)
sqrt((2(cos 2x - cos 3x - cos x))^2 +(2 (sin 3x - sin 2x + sin x ))^2)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random