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ALL meanings of cotan

co·tan·gent
C c
  • abbreviation COTAN cotangent 3
  • noun cotan (in a right triangle) the ratio of the side adjacent to a given angle to the side opposite. 1
  • noun cotan the tangent of the complement, or the reciprocal of the tangent, of a given angle or arc. Abbreviation: cot, ctn. 1
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