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Math.atan

math.atan, atan, arc tangent

Availability

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.

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.