Question

How to use atan() function to compute the principal value of the arc tangent of N in Python

Answer 1

import math

print("math.atan(1.0) = ", math.atan(1.0))
print("math.atan(-1.0) = ", math.atan(-1.0))
print("math.atan(0.0) = ", math.atan(0.0))
print("math.atan(-0.0) = ", math.atan(-0.0))
print("math.atan(math.inf) = ", math.atan(math.inf))

'''
run:

math.atan(1.0) =  0.7853981633974483
math.atan(-1.0) =  -0.7853981633974483
math.atan(0.0) =  0.0
math.atan(-0.0) =  -0.0
math.atan(math.inf) =  1.5707963267948966

'''

 

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