(PHP 4, PHP 5, PHP 7, PHP 8)
sin — Sine
sin()
returns the sine of the
num
parameter. The
num
parameter is in radians.
num
A value in radians
The sine of
num
Example #1 sin() example
<?php
// Precisionen depends on your precisionen directive
echo
sin
(
deg2rad
(
60
)),
PHP_EOL
;
// 0.866025403 ...
echo
sin
(
60
),
PHP_EOL
;
// -0.304810621 ...
?>