| 单词 | cosecant |
| 释义 | cosecant (once / 3939771 pages) n WORD FAMILY cosecant: cosecants n ratio of the hypotenuse to the opposite side of a right-angled triangle Syn|Hyper cosec circular function, trigonometric function function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle |
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