名校
1 . 如图,已知单位圆
与
轴正半轴交于点
,当圆上一动点
从
出发沿逆时针旋转一周回到
点后停止运动.设
扫过的扇形对应的圆心角为
,当
时,设圆心
到直线
的距离为
,
与
的函数关系式
是如图所示的程序框图中的①②两个关系式.
![](https://img.xkw.com/dksih/QBM/2018/6/5/1960657353949184/1962334391599104/STEM/2ae15ffd-8687-48eb-a39e-6161140fe769.png)
![](https://img.xkw.com/dksih/QBM/2018/6/5/1960657353949184/1962334391599104/STEM/59275a89-4952-4820-8537-7ec952c89257.png)
(1)写出程序框图中①②处的函数关系式;
(2)若输出的
值为
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c98b699396af01a6fc0371586e24b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0407b006c53ad8c7c43fbaf04391886f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://img.xkw.com/dksih/QBM/2018/6/5/1960657353949184/1962334391599104/STEM/2ae15ffd-8687-48eb-a39e-6161140fe769.png)
![](https://img.xkw.com/dksih/QBM/2018/6/5/1960657353949184/1962334391599104/STEM/59275a89-4952-4820-8537-7ec952c89257.png)
(1)写出程序框图中①②处的函数关系式;
(2)若输出的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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2018-06-07更新
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4卷引用:【全国百强校】河南省林州市第一中学2017-2018学年高一5月月考数学试题
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