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 -pi/2 (tan(x) log(sin(x)^2))/(sqrt(1+sin(x)))
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
