sinh

Definition and usage

sinh() function returns a hyperbolic sine of a number.

Example

In this example, we will return a hyperbolic sine of different numbers:

 <?php
echo ( sinh ( 3 ) ) ;
echo ( sinh ( - 3 ) ) ;
echo ( sinh ( 0 ) ) ;
echo ( sinh ( M_PI ) ) ;
echo ( sinh ( M_PI_2 ) ) ;
?>

Try it yourself

grammar

 sinh ( x )

illustrate

Returns the hyperbolic sine value of x , defined as (exp(arg) - exp(-arg))/2.