Flash Player 5. In the Flash Player 4, the methods and properties of the Math object are emulated using approximations and may not be as accurate as the non-emulated math functions supported by the Flash Player 5.
Math.cos(
x
)
x
An angle measured in radians.
A number.
Method; returns the cosine (a value from -1.0 to 1.0) of the angle specified by the parameter x
. The angle x
must be specified in radians. Use the information outlined in the introduction to the Math object to calculate a radian.