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.
10.5^2 = 7.6^2 + x^2 - 7.6*2*x*\cos{61 deg}
10.5^2 = 7.6^2 + x^2 - 7.6*2*x*\cos{61 deg}
Natural Language
Math Input
Extended Keyboard
