PHP cosh() Function
Definition
The cosh() function returns the hyperbolic cosine
of a number (equivalent to (exp(number) + exp(-number)) / 2).
Syntax
PHP cosh() Function has the following syntax.
cosh(number);Parameter
| Parameter | Is Required | Description |
|---|---|---|
| number | Required. | A number |
Return
| Item | Description |
|---|---|
| Return Value | The hyperbolic cosine of number |
| Return Type | Float |
Example
Return the hyperbolic cosine of different numbers:
<?php/*from ww w . j a v a2 s . co m*/
echo(cosh(3) . "\n");
echo(cosh(-3) . "\n");
echo(cosh(0) . "\n");
echo(cosh(M_PI) . "\n");
echo(cosh(2*M_PI));
?>
The code above generates the following result.
