| 单词 | cosine |
| 释义 | Word Frequency cosine(ˈkəʊˌsaɪn) noun (of an angle) a trigonometric function that in a right-angled triangle is the ratio of the length of the adjacent side to that of the hypotenuse; the sine of the complement Abbreviation: cosWord origin C17: from New Latin cosinus; see co-, sine1 |
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