import isnumber from "./isnumber";
import { ERRORTYPES as error } from "./error";Copyright 2015-2021 JC Fisher
import isnumber from "./isnumber";
import { ERRORTYPES as error } from "./error";Compute the arccotangent of a given number.
export default function acoth(number) {Ensure value is a number
if (!isnumber(number)) {
return error.value;
}Compute value
return 0.5 * Math.log((number + 1) / (number - 1));
}