How to find inverse of tan?

Question

A=89.6
tan-1(exp(cos**2(root sin(A-50))) for the angle A
Express the result in degree
Round the result to 2 decimal place
Multiply 100 to the rounded result

Also where can I learn how to do it? Big thanks in advance

Answer 1

By using simple line of code:

import math
math.degrees(math.atan(1))
45.0

Answer 2

Use atan function.