arc-hyperbolic cotangent

arc-hyperbolic cotangent

[‚ärk ‚hī·pər‚bäl·ik kō′tan·jənt]
(mathematics)
For a number, x, with absolute value greater than 1, the number whose hyperbolic cotangent equals x ; it is the value at x of the inverse of the hyperbolic cotangent function. Also known as inverse hyperbolic cotangent.