| 词汇 | cosine |
| 类别 | 英译汉、汉译英、英汉互译翻译词典 |
| 释义 | cosine['kəusain]n. 余弦【电】 余弦 cosine co.sine AHD: [k½“sºn”] D.J. [6k*&7sa!n]K.K. [6ko7sa!n]n.Abbr. cos(名词)缩写 cos1. In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse.余弦:直角三角形锐角边的边长与叙边的比2. The abscissa at the endpoint of an arc of a unit circle centered at the origin of a Cartesian coordinate system, the arc being of lengthx and measured counterclockwise from the point (1, 0) if x is positive or clockwise if x is negative. 余弦:以笛卡儿坐标系原点为圆心的单位圆的圆弦端点的横坐标,弧的长度为x ,如果 x 为正,弧的长度则从(1,0)点按逆时针方向算起,若 x 为负,则按顺时针方向从(1,0)点算起 |
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