名校
1 . 在直角坐标系
中,圆
的圆心坐标为
,以坐标原点
为极点,
轴正半轴为极轴建立极坐标系,点
的极坐标为
,且过
点只能作一条圆
的切线.
(1)求圆
的极坐标方程;
(2)直线
(
,
)和圆
相交于两点
,
,若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1c5ba4fbc7ed64df854c15580b05ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f5d2e8186f0173d7862b1d39fb3dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b6c42393fae47c51101713167ff71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fece79e7cf22f4a2b0a27c4347e2546.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1e11889cd9a799348c1c66c7516595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
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8卷引用:河南省十所名校2021-2022学年高三上学期文科数学阶段性测试(一)
2 . 在极坐标系中,以极点O为圆心的圆O经过点A(2,-π).
(1)求圆O的极坐标方程;
(2)已知MN为圆O的一条直径,射线OP⊥MN,且OP交圆O于P点、交直线
于点Q,求
PQM的面积的最小值.
(1)求圆O的极坐标方程;
(2)已知MN为圆O的一条直径,射线OP⊥MN,且OP交圆O于P点、交直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782c7cef86c279877b3e80e53fb53d1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
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3卷引用:广西师大附属外国语学校2021届高三5月高考考前模拟考试数学(理)试题
广西师大附属外国语学校2021届高三5月高考考前模拟考试数学(理)试题河南省信阳市罗山县2021-2022学年高三上学期第二次调研考试文科数学试题(已下线)专题22 极坐标与参数方程-备战2022年高考数学(理)母题题源解密(全国乙卷)
3 . 在直角坐标系
中,曲线
的参数方程为
(
为参数且
),
与坐标轴交于
,
两点.
(1)求
;
(2)以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,求
外接圆的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6db735557a73d9ada875df00cab470e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a369ce3949b2bd2747a48054f7b951c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
(2)以坐标原点为极点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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4 . 在极坐标系下,方程
的图形为如图所示的“三叶玫瑰线”.
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712254176993280/2716164909711360/STEM/66538500-034b-4de6-abd0-cf65acbb38da.png?resizew=235)
(1)当玫瑰线的
时,求以极点为圆心的单位圆与玫瑰线的交点的极坐标;
(2)求曲线
上的点
与玫瑰线上的点
距离的最小值及取得最小值时的点
、
的极坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6397b144a95ea6010fa31855186e5fd0.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712254176993280/2716164909711360/STEM/66538500-034b-4de6-abd0-cf65acbb38da.png?resizew=235)
(1)当玫瑰线的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38fec745f18e1c06ecd27a5f6b2577f.png)
(2)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450aa257372cd8155e56c70c35afbca1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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名校
5 . 在花语中,四叶草象征幸运.已知在极坐标系下,方程
对应的曲线如图所示,我们把这条曲线形象地称为“四叶草”.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/4fe347f8-bbe9-453c-b967-c477883d248c.png?resizew=161)
(1)当“四叶草”中的
时,求以极点为圆心的单位圆与“四叶草”交点的极坐标;
(2)已知
为“四叶草”上的点,求点
到直线
距离的最小值以及此时点
的极坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9e1dd70ccd7718f7ede19005034cad.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/4fe347f8-bbe9-453c-b967-c477883d248c.png?resizew=161)
(1)当“四叶草”中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38fec745f18e1c06ecd27a5f6b2577f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85653d94b07f0668246f029618cb6edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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9卷引用:内蒙古呼和浩特市2021届高考第一次质量普查调研考试(一模)文科数学试题
内蒙古呼和浩特市2021届高考第一次质量普查调研考试(一模)文科数学试题内蒙古呼和浩特市2021届高考第一次质量普查调研考试(一模)理科数学试题宁夏银川六盘山高级中学2021届高三二模数学(文)试题贵州省铜仁市思南中学2021届高三第十二次考试数学(理)试题贵州省铜仁市思南中学2021届高三第十二次考试数学(文)试题(已下线)解密21 坐标系与参数方程(分层训练)-【高频考点解密】2021年高考数学(文)二轮复习讲义+分层训练(已下线)解密23 坐标系与参数方程(分层训练)-【高频考点解密】2021年高考数学(理)二轮复习讲义+分层训练江西省南昌市八一中学、洪都中学等4校2021-2022学年高二上学期期中联考数学(理)试题江西省南昌市八一中学、洪都中学等4校2021-2022学年高二上学期期中联考数学(文)试题
6 . 在直角坐标系
中,直线
的直角坐标方程为
曲线C的参数方程为
(
为参数),以坐标原点O为极点,
轴正半轴为极轴建立极坐标系.
(1)求直线
和C的极坐标方程;
(2)设直线
与曲线C交于M,N两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dd18533a2d1bb0add36fda590c1e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ceb436344e29456719062049bd24e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2df1bc516cf59796f7610454440afc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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|
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7 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),点
的坐标为
.
(1)以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,求
的极坐标方程;
(2)若直线
:
(
为参数)与曲线
交于
,
两点,若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb376e65571618c7d65416628eb89029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9c0002b13f6cae093cd9dc9f19941b.png)
(1)以坐标原点为极点,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319c2fdf7c3934910e17d173484f0ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdad7baa3e6f7a1c2a00eb0c382275be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11c718f1e6d0475f268c0eab9130ee8d.png)
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5卷引用:陕西省榆林市2021届高三下学期二模理科数学试题
陕西省榆林市2021届高三下学期二模理科数学试题陕西省榆林市2021届高三下学期二模文科数学试题贵州省黔东南州2021届高三高考模拟考试数学(文)试题贵州省黔东南州2021届高三高考模拟考试数学(理)试题(已下线)专题33 仿真模拟卷02-2021年高考数学(文)二轮复习热点题型精选精练
8 . 在平面直角坐标系
中,直线
的参数方程为
(
为参数),直线
的参数方程为
(
为参数).
(1)设
与
的夹角为
,求
;
(2)设
与
轴的交点为
,
与
轴的交点为
,以
为圆心,
为半径作圆,以坐标原点为极点,
轴正半轴为极轴建立极坐标系,求圆
的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da4cd5ec779eacc4be4e5095fb56299f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6645774012589d978671458ce6684644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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4卷引用:河南省焦作市2020-2021学年高三上学期第二次模拟考试理科数学试题
解题方法
9 . 在平面直角坐标系
中,直线
的参数方程为
(
为参数).以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)若曲线
关于直线
对称,求
的值;
(2)若
,
为曲线
上两点,且
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21e551868ba1f9a4f5cd25089af43a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/9e0cb878349009a779d94b1bc40319bb.png)
(1)若曲线
![](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)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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2020-06-24更新
|
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4卷引用:陕西省宝鸡市陈仓区2021届高三下学期教学质量检测(二)文科数学试题
名校
10 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数),在以坐标原点为极点,
轴的正半轴为极轴的极坐标系中,曲线
的极坐标方程为
.
(1)求
的极坐标方程与
的直角坐标方程;
(2)设点
的极坐标为
,
与
相交于
两点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff8a5fc39da1b3d43b3a9873b970801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c61957c73cc4e1d76be63babdb46dc0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7126e595ea4d5864c32e086b872f26e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53502463cc76201000e02df314e58769.png)
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4卷引用:四川省南充市白塔中学2020-2021学年高三下学期第九次诊断性测试数学(理)试题