名校
1 . 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
2 . 在直角坐标系
中,曲线
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)求曲线
的普通方程与曲线
的直角坐标方程;
(2)设直线
:
(
为参数)与曲线
,
的交点从上到下依次为
,
,
,
,求
的值.
![](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/b9eeb59463cbaa51c8d3f8a3270c4678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b618bc2ef9e8b304ab5becaf08333da7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8855699a2f51807743d3f26d442015f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc1df69d86477ecd7073cab29f2407b.png)
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4卷引用:内蒙古呼和浩特市2023届高三二模数学(理)试题
内蒙古呼和浩特市2023届高三二模数学(理)试题内蒙古呼和浩特市2023届高三二模数学(文)试题(已下线)四川省巴中市2023届高三“一诊”考试数学(理)试题变式题21-23(已下线)专题20坐标系与参数方程
3 . 在平面直角坐标系
中,曲线C的参数方程为
(
为参数),以坐标原点为极点,
轴正半轴为极轴建立极坐标系,直线
的极坐标方程为:
(
,
),已知直线l与曲线C相交于M,N两点.
(1)求曲线C的极坐标方程;
(2)记线段
的中点为P,若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2959ac15d5f3a791f94ab9aa19a0d3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be32a39d99bbd36fff0d12a2708d268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8472d44b3ce886705208978a95e5fcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f614267fccee84d04f69d6831434a008.png)
(1)求曲线C的极坐标方程;
(2)记线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7886b17f9f470bf7f1fcbb40206e8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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名校
4 . 在直角坐标系
中,曲线
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.
(1)求曲线
的极坐标方程;
(2)设
为曲线
上不同两点(均不与
重合),且满足
,求
的最大面积.
![](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/3e2171a56c213fa4f3a5edef03ae4c1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd33fd61545ef78df7bcde667baba30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8189f7b0ffe4d20bf0fad43b4ed589.png)
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2019-10-24更新
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10卷引用:内蒙古通辽新城第一中学2021届高三第四次增分训练数学(理)试题
内蒙古通辽新城第一中学2021届高三第四次增分训练数学(理)试题重庆市第一中学校2019-2020学年高三上学期10月月考数学试题广西玉林、柳州市2019-2020学年高三上学期第二次模拟数学(理)试题2020届广西玉林、柳州市高三上学期第二次模拟考试数学(文)试题青海省西宁市2020届高三复习检测(一)数学试题广西柳州市2020届高三第二次模拟考试理科数学试题黑龙江省鹤岗市第一中学2020-2021学年高三2月月考数学(文)试题黑龙江省鹤岗市第一中学2020-2021学年高三2月月考数学(理)试题黑龙江省哈尔滨市第九中学2020-2021学年高二下学期四月学业阶段性评价考试数学(文)试题沪教版(2020) 选修第一册 领航者 第2章 2.5曲线与方程 第4课时 极坐标与直角坐标的互化
名校
5 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),直线
.以坐标原点为极点,
轴的正半轴为极轴建立极坐标系.
(1)写出曲线
的普通方程及直线
的极坐标方程;
(2)直线
与曲线
和直线
分别交于
,
(
,
均异于点
)两点,求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab39c35776f7ed99ad53692be62e89c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97ec04a1aa7ac6fce72d589864940a2.png)
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/08d23ec947f1baa06658720b2720d927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768c20e228f4cbd59e4280ff4f9b2cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff29157e751d3afed4c105f8f6582d7.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/5963abe8f421bd99a2aaa94831a951e9.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab39c35776f7ed99ad53692be62e89c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97ec04a1aa7ac6fce72d589864940a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81624428c476e542e9319f16d003584b.png)
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9卷引用:内蒙古赤峰市八校2023届高三第三次统一模拟考试联考理科数学试题
名校
6 . 在直角坐标系
中,圆
的参数方程为:
(
为参数),以O为极点,x轴的非负半轴为极轴建立极坐标系.
(1)求圆
的极坐标方程;
(2)椭圆
,射线
与圆
的交点为O,P,与椭圆
的交点为Q,求线段
的长.
![](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/64f23bb05e586ec0a3d42bdf95399ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6ecd15bdce098ff84e4e9c3ef83b16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4550429135f6cda9199c16b69d186cc5.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/7a5f1641947153c80b987320885a2b57.png)
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|
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5卷引用:内蒙古包钢第一中学2022届高三一模数学(文)试题
7 . 在平面直角坐标系xOy中,曲线
的参数方程为
(
为参数),以坐标原点O为极点,x轴的正半轴为极轴建立极坐标系,直线l的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bfe334aa961d446b5d75c95ae62e94.png)
(1)求曲线C和直线l的直角坐标方程;
(2)已知点
,直线l与曲线C交于A,B两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5f0cbb8da5f10838be3eae3330da46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50bfe334aa961d446b5d75c95ae62e94.png)
(1)求曲线C和直线l的直角坐标方程;
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c94667eced18149cb1aee79d0356874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
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名校
解题方法
8 . 以直角坐标系
的坐标原点为极点,x轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
,点M为曲线
上的动点,
,且满足
,点P的轨迹为曲线
.
(1)求
的直角坐标方程;
(2)设点A的极坐标为
,点B在曲线
上,求△
面积的最大值.
![](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/fd79287f1a79878f5ac5596f45bf8d27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11e2e7135d850465e216ad2a3b8702e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea5be28daa8bced8095daa7bdc187c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设点A的极坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92daa4c02568ba462e2ca35888d78d18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc83f34b5a3c1dc09d990ce4bdc8e078.png)
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2022-01-17更新
|
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4卷引用:内蒙古包头市第四中学2022届高三下学期校内三模理科数学试题
名校
9 . 在直角坐标系
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)求直线
的普通方程和曲线
的直角坐标方程;
(2)求曲线
上的动点到直线
距离的最大值.
![](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/1741868c1c46dde10a1f55e6450b0b03.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/3752ab3ec030d0add1289956d36fb889.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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2021-04-07更新
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5卷引用:内蒙古赤峰市2021届高三下学期3月模拟考试文科数学试题
内蒙古赤峰市2021届高三下学期3月模拟考试文科数学试题内蒙古赤峰市2021届高三一模数学(理)试题内蒙古乌海市第一中学2021-2022学年高三上学期第四次阶段性考试数学文科试题(已下线)精做07 坐标系与参数方程、不等式选讲-备战2021年高考数学(文)大题精做黑龙江省绥化市第一中学2020-2021学年高二下学期期中考试数学(文)试题
10 . 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,
轴非负半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
的直角坐标方程和直线
的普通方程;
(2)若
为曲线
上到直线
的距离最小的点,求点
在平面直角坐标系中的坐标.
![](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/9ddba371d925c4c895c4b0a3575f8295.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/7b1231f1a756dd784872770766b8d04c.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2024-02-29更新
|
429次组卷
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7卷引用:内蒙古赤峰第四中桥北学分校2024届高三下学期开学摸底联考数学(理)试题