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.
table[tg(2*x)-cotg(3*x/2),{x,{(1/7)*π,(3/7)*π,(5/7)*π,(7/7)*π,(9/7)*π}}]
table[tg(2*x)-cotg(3*x/2),{x,{(1/7)*π,(3/7)*π,(5/7)*π,(7/7)*π,(9/7)*π}}]
Natural Language
Math Input
Extended Keyboard