In decimal form it's .75 and that's all you can make it
Https://www.symbolab.com/solver/step-by-step/%5Ccot%5Cfrac%7B-5%5Cpi%7D%7B6%7D
I'm unsure how to properly express how to do this to you but here is a list of steps on how to solve it. Good luck.
If x = the number you are trying to find:


and when dividing by a fraction you can flip it and multiply instead:
60 * 6/5 = 72
The number is 72