1 . 点
关于极轴的对称点的极坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02be0c4607191680581b703de4c4dda7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 在直角坐标系xOy中,已知直线l过点
倾斜角为
且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c05ed7391864f6b523a13c9e2575987.png)
(1)以坐标原点为极点,x轴正半轴为极轴建立极坐标系,求点M关于曲线
R)的对称点的极坐标;
(2)已知点A,B分别是直线l与x,y轴的交点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5ee0c84b869ec66cc7a67e4695a3fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/225a9825139eb64fe9f84cfeffe63eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c05ed7391864f6b523a13c9e2575987.png)
(1)以坐标原点为极点,x轴正半轴为极轴建立极坐标系,求点M关于曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95392784e013fc1a5a9001b6d7643c1.png)
(2)已知点A,B分别是直线l与x,y轴的交点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c54cd0878ea19f3ae4d35348c04e7f.png)
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3卷引用:贵阳第一中学2022届5月高三高考适应性月考卷(八)数学(文)试题
3 . 在极坐标系中,
为极点,如图所示,已知
以
为直径作圆
.
的极坐标方程 ;
(2)若
为圆
左上半圆弧
的三等分点,求
点的极坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c70563042e800e0d6d597f170c5a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea11b0ea79b5a7b2bac364d146022c25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b96f07aca9b63c31ffd5273e302635f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b96f07aca9b63c31ffd5273e302635f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34fecdba74b21123e896995a5d1fc68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b96f07aca9b63c31ffd5273e302635f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9df7c4d3363e95396136b57ddf40e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34fecdba74b21123e896995a5d1fc68.png)
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2022-06-02更新
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763次组卷
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6卷引用:四川省泸州市泸县第一中学2022届高三高考适应性考试数学(文)试题
4 . 在直角坐标系
中,以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,已知点
的极坐标为
,将点
按逆时针方向旋转
得到点
,按顺时针方向转
得到点
.
(1)求点
和点
的极坐标,并求点
和点
的直角坐标;
(2)设
为坐标系中的任意一点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/6e61557fd84faef70f453fcfb6844fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求点
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f98ae21b3caf28a679556b8952bb8563.png)
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5 . 在极坐标系Ox中,已知点
,直线l过点A,与极轴相交于点N,且
.
(1)求直线l的极坐标方程;
(2)将OA绕点O按顺时针方向旋转
,与直线l交于点B,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4cc285893eb290a16fdbfbfa10f77fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a81a8a3024b1dd7f7c03b17796b695f.png)
(1)求直线l的极坐标方程;
(2)将OA绕点O按顺时针方向旋转
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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2022-05-08更新
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674次组卷
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4卷引用:河南省开封市2022届高三三模理科数学试题
河南省开封市2022届高三三模理科数学试题河南省开封市2022届高三三模文科数学试题(已下线)考向45坐标系与参数方程(重点)-1四川省绵阳中学2022-2023学年高二上学期11月月考数学(理)试题
6 . 在平面直角坐标系
中,曲线C的参数方程为
(
为参数).
(1)以坐标原点为极点,x轴正半轴为极轴建立极坐标系,求曲线C的极坐标方程;
(2)P,Q为曲线C上两点,若
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddb8a2fee617abe1044a6decb6eb4234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)以坐标原点为极点,x轴正半轴为极轴建立极坐标系,求曲线C的极坐标方程;
(2)P,Q为曲线C上两点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70027f461bb53541de0874ffcaa2edc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
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2022-03-24更新
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3卷引用:新疆乌鲁木齐地区2022届高三第二次质量监测数学(文)试题(问卷)
名校
解题方法
7 . 在数学中,有多种方程都可以表示心型曲线,其中著名的有笛卡尔心型曲线.如图,在直角坐标系中,以原点
为极点,
轴正半轴为极轴建立极坐标系.图中的曲线就是笛卡尔心型曲线,其极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d48085c5aa3deb1fbdfa812daee0590.png)
,
为该曲线上一动点.
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932408168513536/2933828616667136/STEM/3a4c700f-3e34-4408-8583-980dfe38a3d9.png?resizew=200)
(1)当
时,求
的直角坐标;
(2)若射线
逆时针旋转
后与该曲线交于点
,求
面积的最大值.
![](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/0d48085c5aa3deb1fbdfa812daee0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfba6e427bfcff921f2afd9ce0bc7559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932408168513536/2933828616667136/STEM/3a4c700f-3e34-4408-8583-980dfe38a3d9.png?resizew=200)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5b9350de79c138cd90667735095fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
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2022-03-11更新
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2008次组卷
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12卷引用:吉林省白山市2022届高三一模数学(文)试题
吉林省白山市2022届高三一模数学(文)试题吉林省白山市2022届高三一模数学(理)试题陕西省榆林市2022届高三下学期二模文科数学试题陕西省榆林市2022届高三下学期二模理科数学试题贵州省名校联盟2022届高三3月大联考数学(理)试题贵州省名校联盟2022届高三3月大联考数学(文)试题内蒙古呼伦贝尔市2022届高考二模数学(文科)试题内蒙古呼伦贝尔市2022届高考二模数学(理科)试题(已下线)回归教材重难点02 三角函数与解三角形-【查漏补缺】2022年高考数学(理)三轮冲刺过关山西省太原市第五中学校2022届高三下学期5月阶段性检测数学(理)试题(已下线)押全国卷(文科)第22题 坐标系与参数方程-备战2022年高考数学(文)临考题号押题(全国卷)山西省太原市第五中学校2022届高三下学期5月阶段性检测数学(文)试题
8 . 在直角坐标系中,直线
的参数方程为
(
为参数),以原点
为极点,
轴的非负半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求直线
的极坐标方程与曲线
的直角坐标方程;
(2)若直线
与曲线
在直角坐标系第一象限交于点
,点
的极坐标为
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38b1d05b22a066d9cbf77f0f6c2ad99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/eaa841c771367399f51d2bfcb9d37e87.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/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/4f64bc74483832f345baa4ebf0fbe4da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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2022-03-09更新
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912次组卷
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2卷引用:江西省南昌市2022届高三第一次模拟测试数学(理)试题
9 . 在平面直角坐标系
中,曲线
:
,曲线
:
(
为参数),以坐标原点
为极点,
轴正半轴为极轴建立极坐标系
(1)求曲线
,
的极坐标方程:
(2)射线
:
(
,
)分别交曲线
,
于
,
两点,求
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/3dcaada7649455fbebcdbdbb9a94e6a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee00cc14642b164be801fec66d53698b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f5d2e8186f0173d7862b1d39fb3dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/278949a1dbbe742ef4dfb4596fd94911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc282dae4ac9132196ac5d13f63b901.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8eb257538d539bdf99a2ff3aae84a87.png)
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2021-05-06更新
|
1994次组卷
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9卷引用:四川省成都市第七中学2021-2022学年高三下学期二诊模拟考试数学(理)试题
四川省成都市第七中学2021-2022学年高三下学期二诊模拟考试数学(理)试题四川省成都市第七中学2021-2022学年高三下学期二诊模拟考试数学(文)试题黑龙江省哈尔滨市第六中学2021届高三二模数学(文科)试题四川省宜宾市第四中学校2022-2023学年高三上学期12月月考数学(文科)试题四川省宜宾市第四中学校2022-2023学年高三上学期12月月考数学(理科)试题(已下线)押第22题 极坐标与参数方程-备战2021年高考数学(文)临考题号押题(全国卷1)(已下线)押第22题 极坐标与参数方程-备战2021年高考数学(理)临考题号押题(全国卷1)(已下线)2021年全国高考甲卷数学(理)试题变式题21-23题(已下线)2021年全国高考甲卷数学(理)试题变式题21-23题
名校
10 . 第三届中国国际进口博览会的建筑主体为“四叶草”造型,“四叶草”是绿色的有生命力的象征,其优美的曲线与江南地区海派文化的优雅唯美气质相应和,表达了中国对未来经济持续发展、人民生活富裕的美好向往;“四叶草”作为世界通用的吉祥图形,四瓣叶子分别寓意着“至爱、健康、荣誉、富裕”,整体带有吉祥、和谐的意义如图,在极坐标系
中,方程
表示的图形为“四叶草”对应的曲线
.
![](https://img.xkw.com/dksih/QBM/2021/1/23/2642464959455232/2645184517480448/STEM/035f3232b05142e1aa6e833bc6c07a9d.png?resizew=281)
(1)设直线
与
交于异于
的两点
,
,求
、
两点的极坐标;
(2)设
、
是
上异于
的两点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8f685b56af9fc76e315da7c3e6cc16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2021/1/23/2642464959455232/2645184517480448/STEM/035f3232b05142e1aa6e833bc6c07a9d.png?resizew=281)
(1)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40fda49a8cf8e67d69014a8ed36099b.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/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)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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2021-01-27更新
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2卷引用:四川省宜宾市高县中学2021-2022学年高三下学期高考适应性考试文科数学试题