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Pronunciation: (kō-tan'junt, kō'tan"-), [key]
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,co•tanPronunciation: (kō'tan"). [key]

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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