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.
pow((-5/2*pow((cos(Pi*70/70)+1),2)+10),(1/2))*(-5/2*pow((cos(Pi*10/10)+1),2)+10)*1.4*sqrt(10)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random