Purpose
Return value
Syntax
=ACOTH(number)
- number - The number to get the inverse hyperbolic cotangent of.
How to use
The Excel ACOTH function returns the inverse hyperbolic cotangent of a number. Given 2 as input, the function returns 0.549306144 as output.
=ACOTH(2) // returns 0.549306144
Explanation
The hyperbolic arc cotangent function is the inverse of the COTH function.
=ACOTH(COTH(x)) // returns x when x ≠ 0
The plot below shows the ACOTH function's output in Excel.
Notes:
- The function returns a #NUM! Error for input greater than or equal to -1 and less than or equal to 1.
Image(s) courtesy of wumbo.net.