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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

函数


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.

Revision 1, last changed by WikiArchive .

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.

WhenWhoWhat changed
WangyouworldCreated page
Wangyouworld (minor)
Swen (minor)

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