Cos(2((911))^(-1)(10^((911)-1) -1))° / Cos(2((107))^(-1)(10^((107)-1) -1))°

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.