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 sin(2x)/(x*cos^2(x)) as x goes to pi/2
lim sin(2x)/(x*cos^2(x)) as x goes to pi/2
Natural Language
Math Input