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Meaning of cosecant

co•se•cant

Pronunciation: (kō-sē'kunt, -kant), [key]
— n. Trigonom.
  1. (in a right triangle) the ratio of the hypotenuse to the side opposite a given angle.
  2. the secant of the complement, or the reciprocal of the sine, of a given angle or arc. Abbr.: csc&hasp;
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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