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.
\int_0^{pi/2} \frac{ 1+(\sin x)}{\tan x+1} dx
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random