M > Math.cos |  |

Math.cos

math.cos, cos, cosine

Availability

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.

Usage

    Math.cos(x)

Parameters

`x` An angle measured in radians.

Returns

A number.

Description

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.