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 5/(tg(a +0.5)-tg(a-0.5)), a=0...pi/2
plot 5/(tg(a +0.5)-tg(a-0.5)), a=0...pi/2
Natural Language
Math Input
Extended Keyboard
