Flash Player 5. In 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 Flash Player 5.
Math.tan(
x
)
x
An angle measured in radians.
A number.
Method; computes and returns the tangent of the specified angle. To calculate a radian, use the information outlined in the introduction to the Math object.