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.
what is a/b if a = sqrt(3)+(sqrt(3)+(sqrt(5)+1)*cos(pi/10))*sin(pi/10) and b=1+(sqrt{3}+(sqrt{5}+1)*cos(pi/10))*cos(pi/10)
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random