PHP cosh()Functions
Examples
Returns the hyperbolic cosine of different numbers:
<?php
echo(cosh(3) . "<br>");
echo(cosh(-3) . "<br>");
echo(cosh(0) . "<br>");
echo(cosh(M_PI) . "<br>");
echo(cosh(2*M_PI));
?>
echo(cosh(3) . "<br>");
echo(cosh(-3) . "<br>");
echo(cosh(0) . "<br>");
echo(cosh(M_PI) . "<br>");
echo(cosh(2*M_PI));
?>
Run example »
Definition and Usage
The cosh() function returns the hyperbolic cosine of a number, defined as ((exp(number) + exp(-number))/2).
Syntax
cosh(number);
| Parameter | Description |
|---|---|
| number | Required. Specifies a number. |
Technical Details
| Return value: | numberThe hyperbolic cosine of. |
|---|---|
| Return type: | Float |
| PHP version: | 4.1+ |
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