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