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PHP Quiz PHP CertificatePHP sinh() Function
Complete PHP Math Reference
Definition and Usage
The sinh() function returns the hyperbolic sine of a number (equivalent to (exp(x) - exp(-x)) / 2).
Syntax
sinh(x)
| Parameter | Description |
|---|---|
| x | Required. A number |
Example
In the following example we will 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))
?>
echo(sinh(3) . "<br />");
echo(sinh(-3) . "<br />");
echo(sinh(0) . "<br />");
echo(sinh(M_PI) . "<br />");
echo(sinh(M_PI_2))
?>
The output of the code above will be:
10.0178749274
-10.0178749274
0
11.5487393573
2.30129890231
-10.0178749274
0
11.5487393573
2.30129890231
Complete PHP Math Reference
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