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