| 单词 | cosecant |
| 释义 | cosecant /koh see"keuhnt, -kant/, 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 Also, cosec. [1700-10; < NL cosecant- (s. of cosecans). See CO-, SECANT] |
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