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 cot(pi/8 - x/2) - (csc((x-pi)-pi/4)-cot((x-pi)-pi/4))
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random