Ruby – Find Hyperbolic Tangent – tanh() Method with Examples

Ruby CMath Library, Ruby Reference

In Ruby, tanh() method can be used to find the hyperbolic tangent of the any given complex number in Ruby language where this number is given in radians. tanh() method exists in CMath library of Ruby programming language.

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tanh() Method in Ruby

tanh() method exists in Standard CMath Library of Ruby. The purpose of this method is to provide perfect hyperbolic tangent for any given complex number where this number is given in radians.

Syntax of the tanh() Method in Ruby

Syntax of tanh() method is:

cmath.tanh(x)

 

Parameter of tanh() Method in Ruby

Parameter  Description
x Any valid complex number. This parameter is required.

Note: If the x parameter is not a complex number, tanh() method will return an error.

 

Return Value of tanh()

tanh() method will return the tangent of any given complex number where this number is given in radians.

 

Ruby – Get the hyperbolic tangent (tanh()) of the Given Numbers Example 1

 # import CMath library 
 require 'cmath' 
 x = CMath.tanh(5 + 5i) 
 puts x

Output

1.0000761892591823-4.9400804073229665e-05i

 

Ruby – Get the hyperbolic tangent (tanh()) of the Given Numbers Example 2

 # import CMath library 
 require 'cmath' 
 x = CMath.tanh(-5 + 5i) 
 puts x

Output

-1.0000761892591823-4.9400804073229665e-05i

 

Ruby – Get the hyperbolic tangent (tanh()) of the Given Numbers Example 3

 # import CMath library 
 require 'cmath' 
 x = CMath.tanh(a5 - b5i) 
 puts x

Output

Error

 

Ruby – Get the hyperbolic tangent (tanh()) of the Given Numbers Example 4

 # import CMath library 
 require 'cmath' 
 x = CMath.tanh(-5 - 5i) 
 puts x

Output

-1.0000761892591823+4.9400804073229665e-05i

 

Ruby – Get the tanh() of any Particular Number

 # import CMath library 
 require 'cmath' 
 x = CMath.tanh(8) 
 puts x

Output

0.9999997749296758