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.
lim_{x\to \frac{\pi}{4}}\frac{\ln\cot x + 2x - \frac{\pi}{2}}{(1-\tan x )^3}
lim_{x\to \frac{\pi}{4}}\frac{\ln\cot x + 2x - \frac{\pi}{2}}{(1-\tan x )^3}
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random