Navigation:  Formulas and functions > Functions from A to Z > ACOT (arccotangent)

Syntax:

ACOT(number)

Description:

The ACOT function (arccotangent) is the inverse function of the COT function: It returns the inverse cotangent of a number – that is, the angle whose cotangent is the Number.

The result is expressed in radians.

Example:

ACOT(1) returns 0.7854 (45°)

ACOT(COT(0.1234)) returns 0.1234

Tip:

You can use the DEGREES function to convert the result from radians to degrees.

Compatibility notes:

Microsoft Excel supports this function only in version 2013 or later. The function is unknown in older versions.

See also:

COT