sin() - math

sin() returns the sine of the arg
   parameter.  The arg parameter is in radians.

Parameters : 
 arg - A value in radians 

Syntax

float sin
     ( float $arg
    )

Example

<?php// Precision depends on your precision directiveecho sin(deg2rad(60));  //  0.866025403 ...echo sin(60);           // -0.304810621 ...?>

Output / Return Value

Limitations

Alternatives / See Also

Reference