tanh
From cppreference.com
                    
                                        
                    
                    
                                                            
                    |   Defined in header <math.h>
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|   float       tanhf( float arg );  | 
(since C99) | |
|   double      tanh( double arg );  | 
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|   long double tanhl( long double arg );  | 
(since C99) | |
Computes hyperbolic tangent of arg
[edit] Parameters
| arg | - | floating point value | 
[edit] Return value
Hyperbolic tangent of arg
[edit] See also
|    computes hyperbolic sine (sh(x))  (function)  | |
|   computes hyperbolic cosine (ch(x))  (function)  | |
|    (C99)  | 
  hyperbolic arc tangent   (function)  | 
|   C++ documentation for tanh 
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