The derivative of arcoth(x)\operatorname{arcoth}(x)arcoth(x) is:
1/(1−x2)1 / (1-x^2)1/(1−x2)
1/(x2−1)1 / (x^2-1)1/(x2−1)
−1/sin2x-1 / \sin^2 x−1/sin2x
None