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PHP sinh() Function

❮ PHP Math Reference

Example

Return the hyperbolic sine of different numbers:

<?php
echo(sinh(3) . "<br>");
echo(sinh(-3) . "<br>");
echo(sinh(0) . "<br>");
echo(sinh(M_PI) . "<br>");
echo(sinh(M_PI_2));
?>
Try it Yourself »

Definition and Usage

The sinh() function returns the hyperbolic sine of a number, which is equal to (exp(number) - exp(-number))/2).


Syntax

sinh(number);

Parameter Values

Parameter Description
number Required. Specifies a number

Technical Details

Return Value: The hyperbolic sine of number
Return Type: Float
PHP Version: 4.1+

❮ PHP Math Reference