Get the arc tangent of two variables with the atan2() function in PHP
Description
The following code shows how to get the arc tangent of two variables with the atan2() function.
Example
/*from www .j av a2 s . c o m*/
<?php
echo(atan2(0.50,0.50) . "<br>");
echo(atan2(-0.50,-0.50) . "<br>");
echo(atan2(5,5) . "<br>");
echo(atan2(10,20) . "<br>");
echo(atan2(-5,-5) . "<br>");
echo(atan2(-10,10));
?>
The code above generates the following result.
