How do you do this on a calculator?
https://d37b4ew8393wk3.cloudfront.net/15/05/08/2e48d6fc72f7be02592a77c18dcb34e8/734dd9e9f0456af57e8094074896e2da/lateximg.png?tcb=1459727203
Just like this
6*6^2*tan(pi/6)
But make sure you set the units to radians. There is a toggle button for this on the bottom left of the calculator.
