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[Sqrt[16*4*(x^2) - 8*2*x*20*Sin[3*2*x/20] + 20^2 + 4*(20^2)*(1 - Cos[3*2*x/20])], {x, 0, 4 Pi*20/2}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random