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