Goniometrijska funkcija: odnos između nalegle i suprotne katete, tangenta komplementa danoga ugla (skr. cotg).
ETYM For co. tangens, an abbrev. of Latin complementi tangens. Related to Tangent.
Ratio of the adjacent to the opposite side.
In trigonometry, a function of an angle in a right triangle found by dividing the length of the side adjacent to the angle by the length of the side opposite it. It is usually written as cotan, or cot and it is the reciprocal of the tangent of the angle, so that cot A = 1/tan A, where A is the angle in question.