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PHP sinh () function

PHP Math Reference PHP Math Reference

Examples

Returns 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));
?>

Running instance »

Definition and Usage

sinh () function returns the hyperbolic sine of a number, defined as (exp (number) - exp (-number)) / 2).


grammar

sinh( number );

参数 描述
number 必需。规定一个数。

technical details

return value: number hyperbolic sine.
Return type: Float
PHP version: 4.1+


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