plot (sqrt((u^2+v^2)(u^2+v^2-2u+1))+u^2-v^2-u) tan((2 pi (u^2-v^2+u))/((u^2+v^2)(u^2+v^2+2u+1))) = (2u-1)v

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.