PHP sin() Function
PHP Math Reference
Example
Return the sine of different numbers:
<?php
echo(sin(3) . "<br>");
echo(sin(-3) . "<br>");
echo(sin(0) . "<br>");
echo(sin(M_PI) . "<br>");
echo(sin(M_PI_2));
?>
Run example »
Definition and Usage
The sin() function returns the sine of a number.
Syntax
Parameter |
Description |
number |
Required. Specifies a value in radians |
Technical Details
Return Value: |
The sine of number |
Return Type: |
Float |
PHP Version: |
4+ |
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