Number atan() Method in Python 3:
The atan() method returns the arc tangent
of x, in radians.
Syntax
import
math
atan(x)
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Note: This function is not accessible directly,
so we need to import the math module and then we need to call this function using
the math static object.
Parameters
x - This must be a
numeric value.
Return Value
This method returns
arc tangent of x, in radians.
Example