Meaning of COTANGENT in English

COTANGENT

— cotangential /koh'tan jen"sheuhl/ , adj.

/koh tan"jeuhnt, koh"tan'-/ , n. Trig.

1. (in a right triangle) the ratio of the side adjacent to a given angle to the side opposite.

2. the tangent of the complement, or the reciprocal of the tangent, of a given angle or arc. Abbr.: cot, ctn

Also, cotan /koh"tan'/ .

[ 1625-35; cotangent- (s. of cotangens ). See CO-, TANGENT ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .