Calculate the principal value of the arccotangent of a number.

`ACOT(number)`

- number - the cotangent of an angle

`=ACOT(B6)`

The ACOT function above calculates the arccotangent of B6.

`=ACOT(-1)`

The arccotangent of a negative number can be calculated using the ACOT function. For example, the above formula calculates the arccotangent of -1.

`=ACOT(-1)*180/PI()`

Tthe ACOT function can be used in combination with the PI. such as in the formula above which calculates the arccotangent of -1 multiplied by 180/PI() to get the answer in degrees.

`=DEGREES(ACOT(-1))`

The DEGREES function can also be used to get the result of a calculation in degrees like the forumula above which calculates the arccotangent of -1 and returns the answer in degrees.

The ACOT function calculates the principal value of the inverse cotangent (arccotangent) of a real number. It returns the angle in radians and #VALUE! if the argument is not a real number.

- The ACOT function takes a real number as its argument that is the cotangent of an angle.
- The angle must be real and the result is returned in radians.
- The ACOT function returns #VALUE! if the argument is not a number.

The ACOT function calculates the principal value of the arccotangent of a number. The arccotangent is the inverse cotangent of a number.

The ACOT function takes a real number as its argument.

The ACOT function returns a real number in radians.

Use the DEGREES function to convert the output of the ACOT function from radians to degrees.

The ACOT function throws a #VALUE! error if the argument is not a numeric value.