| 单词 | cotan |
| 释义 | cotan (once / 787955 pages) n WORD FAMILY cotan USAGE EXAMPLESCotan is a province lying between north-east and east, and is eight days' journey in length. Yule, Henry, The Travels of Marco Polo — Volume...(2010) n ratio of the adjacent to the opposite side of a right-angled triangle Syn|Hyper cotangent 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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