太极图是以黑白两个鱼形纹组成的圆形图案,俗称阴阳鱼,它形象化的表达了阴阳轮转,相反相成是万物生成变化根源的哲理,展现了一种相互转化,相对统一的形式美.如图,按照太极图的构图方法,在平面直角坐标系中,圆
被函数
的图象分割为两个对称的鱼形图案,其中两个小圆的周长均为
,现在大圆内随机取一点,则此点取自阴影部分的概率为( )
![](https://img.xkw.com/dksih/QBM/2020/4/27/2450771658326016/2452885264711680/STEM/a5d89ef3f88c46a4b975adb851f58d0a.png?resizew=162)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f765e0096638c80ef7e26e0b5a725bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
![](https://img.xkw.com/dksih/QBM/2020/4/27/2450771658326016/2452885264711680/STEM/a5d89ef3f88c46a4b975adb851f58d0a.png?resizew=162)
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更新时间:2020-04-30 23:10:45
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