nerdamer.acoth(x: ExpressionInput): Expression
Computes the inverse hyperbolic cotangent of an expression:
`acoth(x) = atanh(1/x)`
.
-
`acoth(±∞) = 0`
- For real evaluation, uses the identity
`acoth(x) = (1/2)·ln((x + 1)/(x − 1))`
.
Parameters
| Name | Type | Description |
|---|
x | ExpressionInput | The input expression (domain `|x| > 1` for real results). |
Returns
Expression — The inverse hyperbolic cotangent of `x`.
Examples
// Symbolic
acoth('x').text() // "acoth(x)"