MACROMEDIA FLASH MX 2004 - ACTIONSCRIPT - Page 448

448 Chapter 12: ActionScript Dictionary
Returns
Nothing.
Description
Method; computes and returns the arc cosine of the number specified in the parameter x,
in radians.
Math.asin()
Availability
Flash Player 5. In Flash Player 4, the methods and properties of the Math class are emulated using
approximations and may not be as accurate as the non-emulated math functions supported by
Flash Player 5.
Usage
Math.asin(x);
Parameters
x
A number from -1.0 to 1.0.
Returns
A number.
Description
Method; computes and returns the arc sine for the number specified in the parameter x,
in radians.
Math.atan()
Availability
Flash Player 5. In Flash Player 4, the methods and properties of the Math class are emulated using
approximations and may not be as accurate as the non-emulated math functions supported by
Flash Player 5.
Usage
Math.atan(x)
Parameters
x
A number.
Returns
A number.
Description
Method; computes and returns the arc tangent for the number specified in the parameter x. The
return value is between negative pi divided by 2, and positive pi divided by 2.