Computes the sine of a number.
input value (in radians)
sine
var v = sin( 0.0 ); // returns ~0.0
var v = sin( 3.141592653589793/2.0 ); // returns ~1.0
var v = sin( -3.141592653589793/6.0 ); // returns ~-0.5
var v = sin( NaN ); // returns NaN
Computes the sine of a number.