1 . 在平面直角坐标系
中,以坐标原点
为极点,
轴正半轴为极轴建立极坐标系,已知曲线
的参数方程是
(
为参数,
),直线
的极坐标方程是
,若曲线
与直线
有交点,则
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e459b0df8ab4a89602de222d4c4c0b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907a344929dd28678993b4d3d6f9550a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9566317d3944d68871d206f9100387d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
2 . 设
,直线
和圆
(
为参数)相切,则
的值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292fc234260672633fd445545a932553.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49ef7f3a248553eeebc119cb4f45b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-06-09更新
|
4259次组卷
|
8卷引用:江西省九江市实验中学2021-2022学年高二下学期5月月考数学(文)试题
14-15高三上·陕西·阶段练习
3 . 若直线
(
为参数)被圆
截得的弦长为最大,则此直线的倾斜角为___________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a53c07df9d49ee3bd695b8258938d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2fa07e41f6a7ce322ce6f892c4565c.png)
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4 . 若P(-2,-
)是极坐标系中的一点,则Q(2,
)、R(2,
)、M(-2,
)、
N(2,2kπ-
)(k∈Z)四点中与P重合的点的个数为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f785147690f83dcee0a0bc6c327e75a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c785d02e9946d5d217fe18cffa487b98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203d236c53db2cbcbe00b7ffe5fe57d.png)
N(2,2kπ-
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4966e5af166b69a0a38a98abf555b6b.png)
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10-11高三·江西九江·期末
5 . (1)已知圆的极坐标方程为
,则该圆的圆心到直线
的距离是 .
(2)若
,且
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c7b0aaaf0ec06cf264fed655cd8793.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a521891098b625f372ff648d110afe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f156ba5b6e67f63d72ffd5a6049c76d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c4cf6bb45abf82b5c6d4b390c246571.png)
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