sin - chung-leong/qb GitHub Wiki
sin - Sine
float sin ( float $x )
sin() returns the sine of x. The x parameter is in radians.
Parameters:
x - The argument to process in radians. It can be a scalar or an array.
Return Value:
The sine of x. If x is an array, the return value will also be an array.
Version
1.0 and above.