1 . 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
,直线
与曲线
交于
两点.
(1)求直线
的普通方程和曲线
的直角坐标方程;
(2)设点
的直角坐标为
,求
的值.
![](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/1d40c285e4ecc3bcaf140258b6907601.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/6cafb579dd4af3a4b9d38e747f5cd9e7.png)
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0807a099a06b71585d7631c44350068.png)
您最近一年使用:0次
2 . 在平面直角坐标系中,曲线
的参数方程为
(t为参数),以坐标原点O为极点,x轴非负半轴为极轴,建立极坐标系,点P的极坐标为
,曲线
的极坐标方程为
.
(1)求曲线
的普通方程和曲线
的直角坐标方程;
(2)若曲线
交于A,B两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/468084bf38e79d7563c5c94a15573d1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebd5c9373c4b195c88195f914905fcde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafb273bd5e64bccd87bf91bcc221bd7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4fdace6e391b88e6a6458b54c8c21a0.png)
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3 . 在直角坐标系xOy中,曲线C的参数方程为
(t为参数).以坐标原点O为极点,x轴正半轴为极轴建立极坐标系,直线l的极坐标方程为
.
(1)求直线 l 的直角坐标方程与曲线C的普通方程;
(2)已知点P的直角坐标为
,直线 l 与曲线C相交于不同的两点A,B,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c801795cd8b67187e01070502fa23e3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51778a99314704f7a137b7c7e3031eaa.png)
(1)求直线 l 的直角坐标方程与曲线C的普通方程;
(2)已知点P的直角坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
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2022-05-11更新
|
1836次组卷
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11卷引用:江西省赣州市赣县第三中学2021-2022学年高二5月月考数学(文)试题
江西省赣州市赣县第三中学2021-2022学年高二5月月考数学(文)试题四川省绵阳市开元中学2021-2022年学年高二下学期期末适应性质量检测理科数学试题四川省宜宾市叙州区第一中学校2022-2023学年高二下学期期中理科数学试题四川省宜宾市叙州区第一中学校2022-2023学年高二下学期期中文科数学试题四川省射洪中学校2022-2023学年高二下学期第二次半月考强基班(理科)数学试题四川省成都市2022届高三第三次诊断考试文科数学试题四川省成都市2022届高三第三次诊断考试理科数学试题四川省泸县第五中学2022-2023学年高三上学期第三学月考试数学(理)试题四川省泸县第五中学2022-2023学年高三上学期第三学月考试数学(文)试题四川省眉山市第一中学2024届高三上学期12月月考试数学(理)试题四川省成都市石室阳安学校2024届高三下学期4月月考数学(文)试题
名校
4 . 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.图中的心型曲线
的极坐标方程为
为曲线
上一动点,曲线
的参数方程为
为参数,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/5bd37748-3b01-4e4d-a829-878f30a531b7.png?resizew=155)
(1)若
与
交于
三点,证明:
为定值;
(2)射线
逆时针旋转
后与
交于点
,求
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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe4d6fb3e3916b46c2e544eaaba973d5.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/e6a3099c2c948513459151da0dce79f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b463ed27be664efc447bdc4b4aa936.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/5bd37748-3b01-4e4d-a829-878f30a531b7.png?resizew=155)
(1)若
![](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/5731a7a079c190e18daa159c67765a41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5784acc1b6ce159c1193b1581eead14.png)
您最近一年使用:0次
2022-04-07更新
|
725次组卷
|
4卷引用:江西省宜春市上高二中2022届高三5月第十次月考数学(理)试题
江西省宜春市上高二中2022届高三5月第十次月考数学(理)试题陕西省西安中学2022届高三下学期第五次模拟考试理科数学试题(已下线)押全国卷(理科)第22题 坐标系与参数方程-备战2022年高考数学(理)临考题号押题(全国卷)黑龙江省大庆市大庆中学2022届高三第二次模拟数学(理)试题
名校
解题方法
5 . 参数方程
(
为参数)所表示的曲线是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e4f36f60bad69e4dbb0b427aab9a5c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.圆 | B.直线 |
C.线段 | D.射线 |
您最近一年使用:0次
2022-03-31更新
|
656次组卷
|
6卷引用:江西省抚州市七校2021-2022学年高二下学期期末考试科数学(文)试题
江西省抚州市七校2021-2022学年高二下学期期末考试科数学(文)试题上海市建平中学2021-2022学年高二下学期3月月考数学试题河南省实验中学2021-2022学年高二下学期期期中考试数学(文)试题河南省焦作市温县第一高级中学2021-2022学年高二下学期6月月考文科数学试题甘肃省庆阳市宁县2021-2022学年高二下学期期末考试数学(文)试题(已下线)2.5曲线与方程(作业)(夯实基础+能力提升)-【教材配套课件+作业】2022-2023学年高二数学精品教学课件(沪教版2020选修第一册)
名校
6 . 在平面直角坐标系
中,直线
的参数方程为
(
为参数),以原点
为极点,
轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)写出直线
的普通方程和曲线
的直角坐标方程;
(2)直线
与曲线
相交于
,
两点,设点
,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/47865a622794fbd929f55ff5dc6fb156.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/fbc53e1dbc3b6560d78e59400e4613ff.png)
(1)写出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)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/6e9b5e076078240e0c5ad9763a9824d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
您最近一年使用:0次
2022-03-11更新
|
585次组卷
|
3卷引用:江西省吉安市第一中学2021-2022学年高二下学期第一次段考数学(文)试题
7 . 在平面直角坐标系xOy中,曲线
的参数方程为
,(t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,曲线
的极坐标方程为
.
(1)求曲线
的普通方程和曲线
的直角坐标方程;
(2)已知
,曲线
与曲线
相交于A,B两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4744c903f31a51de0adbdb87816ea83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef57c84b5636205ba7d3a31d1e16b7c1.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.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/559d66fd8b309fd440ce9bda78a579c9.png)
您最近一年使用:0次
2022-02-21更新
|
902次组卷
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5卷引用:江西省南昌市八一中学、洪都中学、南师附中、十七中四校2021-2022学年高二上学期期末联考数学(文)试题
江西省南昌市八一中学、洪都中学、南师附中、十七中四校2021-2022学年高二上学期期末联考数学(文)试题(已下线)解密23 坐标系与参数方程 (讲义)-【高频考点解密】2022年高考数学(理)二轮复习讲义+分层训练(全国通用)宁夏六盘山高级中学2022届高三第一次模拟考试数学(理)试题(已下线)二轮拔高卷03-【赢在高考·黄金20卷】备战2022年高考数学(文)模拟卷(全国卷专用)陕西省咸阳市高新一中2022-2023学年高三上学期第五次质量检测理科数学试题
8 . 以直角坐标系的原点
为极点,
轴的正半轴为极轴建立极坐标系,已知直线
的极坐标方程为
,曲线
的参数方程是
(
为参数
.
(1)求直线
和曲线
的普通方程;
(2)直线
与
轴交于点
,与曲线
交于
,
两点,求
.
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b483a744ac7f8cb76fc32455e2e2aa9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8eafd55aec7b6aa88b54735488fb885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/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/2222b7c88dee144e52f3c96738a49fe2.png)
您最近一年使用:0次
9 . .在直角坐标系
中,点
,直线
的参数方程为
(
为参数),以坐标原点为极点,x轴的正半轴为极轴建立极坐标系,已知曲线
的极坐标方程为
,直线
与曲线
相交于A,B两点.
(1)求曲线
的直角坐标方程和直线
的普通方程;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/048dbcb679f8a85480f73e96b09124af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c603ce77eefb9bf55e6e1cad7fb225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7ade0c538c7cb62ebeeac3605c7f12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c65256eb10d257a6693e72a9c3f9579.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
10 . 在直角坐标系
中,点
,直线
的参数方程为
(
为参数),曲线
的参数方程为
(
为参数),以坐标原点为极点,x轴的正半轴为极轴建立极坐标系,已知曲线
的极坐标方程为
,直线
与曲线
相交于A,B两点.
(1)求曲线
与直线
交点的极坐标
;
(2)若
,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd8a24ff4499a4ac92ef0c6396fd419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c1a90ea1df071b31149530ca8292532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbd0841a5d198b7d58dafe3f51d8db1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67548db411918cb17ef39a183a38877e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a00a80c3afd08e7e09530f93d0c44368.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4cc120fdbf3118a4879b16b26c7660.png)
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