ACOT function

ACOT returns the inverse cotangent of a number. The angle is measured in radians.

Syntax

ACOT(number)

number is the cotangent of the angle that you want. It must be a real number.

Note: The angle returned is between 0 and pi. To return the angle in degrees, use the DEGREES function.

=ACOT(1) returns 0.785398163.