PHP sinh() Function
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
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