| 单词 | arc cotangent |
| 释义 | arc cotangent (extremely rare) n WORD FAMILY arc cotangent n the inverse function of the cotangent; the angle that has a cotangent equal to a given number Syn|Hyper arccotangent, inverse 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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