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)"