Author: Oscar Cronquist Article last updated on March 27, 2018

The ACOTH function calculates the inverse hyperbolic cotangent of a number.

Formula in cell C3:


Excel Function Syntax



number Required. The absolute value of Number must be greater than 1.


ACOTH(B3) = 0.5*LN((B3+1)/(B3-1))

How to use the LN function

The LN function calculates the natural logarithm of a number. Natural logarithms are based on the constant e. Formula in […]