Atan

Arctangent returns the angle in radians whose tangent is specified by a number.

Variants

• Atan(Numeric number)
• Atan(Numeric x, Numeric y)

Atan(Numeric number)

Arctangent returns the angle in radians whose tangent is specified by a number.

Parameters

number

The tangent of the angle you want.

Returns

Numeric

Examples

• Atan(0) returns 0
• Atan(1) returns 0.79

Atan(Numeric x, Numeric y)

Returns the angle, in radians, between the positive x-axis and the ray from the origin to the point specified by x and y.

Parameters

x

The x-coordinate of the point.

y

The y-coordinate of the point.

Returns

Numeric

Examples

• Atan(1, 2) returns 0.46