# Math.tan()

#### 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.tan(x)

#### Parameters

`x` An angle measured in radians.

#### Returns

A number.

#### Description

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.