Python cmath.atanh() Method
Example
Find the hyperbolic arctangent of a complex number:
    #import cmath for complex number operations 
import cmath
#find 
    the hyperbolic arctangent of a complex number
print (cmath.atanh(2+ 3j))
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Definition and Usage
The cmath.atanh() method returns the inverse 
hyperbolic tangent of a complex number.
There are two branch cuts:
- Extends from 1 along the real axis to ∞, continuous from below
 - Extends from -1 along the real axis to -∞, continuous from above
 
Syntax
  
    cmath.atanh(x)
  
Parameter Values
| Parameter | Description | 
|---|---|
| x | Required. A number to find the inverse hyperbolic arctangent of | 
Technical Details
| Return Value: | A complex value, representing inverse 
  hyperbolic tangent of a complex number | 
|---|---|
| Python Version: | 1.5 | 
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