Radian/zh CN
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在数学和物理中,弧度是角的度量单位。它是由国际单位制导出的单位,单位缩写是rad。
定义:弧长等于半径的弧,其所对的圆心角为1弧度。(即两条射线从圆心向圆周射出,形成一个夹角和夹角正对的一段弧。当这段弧长正好等于圆的半径时,两条射线的夹角的弧度为1)。
所有三角函数参数、结果为弧度。
参见
- CycleToRad 返回圆的份数转换成弧度之后的值
- DegToRad 返回角度转换成弧度之后的值
- GradToRad 梯度转弧度
- RadToCycle 返回弧度转换成圆的份数之后的值
- RadToDeg 返回弧度转换成角度之后的值
- RadtoGrad 弧度转梯度
From the Free Pascal wiki, page "Radian/zh CN", as it stood on 2013-12-11 after a change by Swen, out of the wiki's dump of 2024-05-26. Copyright stays with the author who wrote it, according to the old wiki's Licensing page. If you have concerns about this material, message the admin.
Edited on wiki.freepascal.org by 2 people, 2013
From the official wiki's backup of 26 May 2024: who edited this page there, and when. Edits made there after that date were not recorded, and the earlier versions are not shown here; the main page says why.
| When | Who | What changed |
|---|---|---|
| Wangyouworld | Created page | |
| Wangyouworld | (minor) | |
| Swen | (minor) |
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