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.
Pi/2 NIntegrate[((4 - Sec[x]^2)/2)^2, {x, 0, Pi/3}]
Pi/2 NIntegrate[((4 - Sec[x]^2)/2)^2, {x, 0, Pi/3}]
Natural Language
Math Input
Extended Keyboard
