1 . 平面直角坐标系xOy中,直线l的参数方程为
(t为参数),以O为极点,x轴正半轴为极轴建立极坐标系,曲线C的极坐标方程是:
.
(1)求C的直角坐标方程和l的普通方程;
(2)设P(0,1),l与C交于A、B两点,M为AB的中点,求|PM|.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39894a22c1ef467bc1163c01834dfaad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442ff84284c62c591a30c742c5cf47b0.png)
(1)求C的直角坐标方程和l的普通方程;
(2)设P(0,1),l与C交于A、B两点,M为AB的中点,求|PM|.
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2 . 在直角坐标系
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
.
(1)将曲线
和直线
化为直角坐标方程;
(2)过原点
引一条射线,分别交曲线
和直线
于
,
两点,射线上另有一点
满足
,求点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c1fcc7777a8f70ea2ec015ccc57185.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/8dc5e6fee5f9d66cb5aa468cf1a147ad.png)
(1)将曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)过原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6858065e1157cb527044e84688ed8616.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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3 . 曲线
的极坐标方程为
,以极点
为原点,以极轴为
轴的正半轴,与极坐标系取相同的单位长度,建立直角坐标系.
(1)求曲线
的直角坐标方程;
(2)直线
的极坐标方程是
,射线
与曲线
的交点为
,与直线
的交点为
,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.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/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f87f44ee4ca5919d00e75c41aca7c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d710b3d840079f84bda6a8fbe558dde1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b24b684f7429f065144eaaa39699f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
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2022-04-22更新
|
374次组卷
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2卷引用:宁夏石嘴山市平罗中学2021-2022学年高二下学期期中考试数学(理)试题
名校
4 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),曲线
的方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c8bdaa5a80c2dbd54c37af456064e3.png)
以
为极点,
轴非负半轴为极轴建立极坐标系.
(1)求曲线
和
的极坐标方程;
(2)已知射线
与曲线
交于
、
两点,将射线
绕极点逆时针方向旋转
得到射线
,射线
与曲线
交于
、
两点,当
取何值时,
的面积最大,并求
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/cbcf6f85690daf16ec3928834bc1f3b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c8bdaa5a80c2dbd54c37af456064e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc98f87c561c55f024d66c715c56bcd5.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)已知射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/445bb317c68b6270bae9fe19a2a16c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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2022-04-09更新
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3卷引用:宁夏六盘山高级中学2022届高三第二次模拟考试数学(理)试题
宁夏六盘山高级中学2022届高三第二次模拟考试数学(理)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)四川省绵阳市南山中学实验学校2022-2023学年高三下学期3月月考数学(理)试题
名校
5 . 如图,在极坐标系中,已知点
,曲线
是以极点O为圆心,以OM为半径的半圆,曲线
是过极点且与曲线
相切于点
的圆.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/23/3d36deb8-92f2-4d48-bedd-4ea05e65b5c9.png?resizew=199)
(1)求曲线
、
的极坐标方程;
(2)直线
与曲线
、
分别相交于点A,B(异于极点),求△ABM面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65368687df4d7e3b9304e85ec4de354c.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8154c1e1359dbbacec5db156929bebeb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/23/3d36deb8-92f2-4d48-bedd-4ea05e65b5c9.png?resizew=199)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb83c2059b10286e8481123de3445a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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2022-03-30更新
|
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宁夏石嘴山市第三中学2022届高三第四次模拟数学(理)试题宁夏石嘴山市第三中学2022届高三第四次模拟数学(文)试题广西柳州市2022届高三第三次模拟考试数学(文)试题广西柳州市2022届高三第三次模拟考试数学(理)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)
6 . 在直角坐标系xOy中,曲线C的参数方程为
,(t为参数).
(1)求C的直角坐标方程;
(2)点
是曲线C上在第一象限内的一动点,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc96eb7bf0d0702eb2dad2f0be59f34e.png)
(1)求C的直角坐标方程;
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5dc6646a471d1bbdf23f4568221710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/977d5c49dd06fd81b172fe2d3bacc4af.png)
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2022-03-25更新
|
1011次组卷
|
5卷引用:宁夏银川市2022届高三质量检测(一模)数学(文)试题
7 . 在平面直角坐标系xOy中,曲线C的参数方程为
,(
为参数),以原点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
.
(1)求曲线C的普通方程和直线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/1d791cad657b4327c56dc1c1bc177c72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f5d854ff2fc5146a6450802cfa1623.png)
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cc0f9aa168e43cc5759f017d69b498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
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2022-03-24更新
|
1003次组卷
|
3卷引用:宁夏平罗中学2022届高三下学期第三次模拟数学(理)试题
8 . 在平面直角坐标系
中,过点
的直线
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)设曲线
与直线
交于
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c10f14aae6fb21e047ecb39cdf40c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e15c76651ec2546bca97051c67e56a1.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/a943b91bf0461309b8515daac297151c.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
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2022-03-12更新
|
617次组卷
|
6卷引用:宁夏石嘴山市平罗中学2021-2022学年高二下学期第一次月考数学(理)试题
名校
解题方法
9 . 在直角坐标系xOy中,直线
的参数方程为
(t为参数),直线
的参数方程为
(k为参数).设
与
的交点为M,当m变化时,M的轨迹为曲线C.
(1)写出C的普通方程;
(2)以坐标原点为极点,x轴正半轴为极轴建立极坐标系,设直线
:
,求
与C的交点的极坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541c320680ead51b7841228a26dbcc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5e27ba63e4d0774ee92e4adcaeda71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(1)写出C的普通方程;
(2)以坐标原点为极点,x轴正半轴为极轴建立极坐标系,设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cc81cfaccc00aa4b7139de5a35a102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fce9427c9b17e4d3cda0c3ff3e2e14.png)
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2022-03-10更新
|
820次组卷
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4卷引用:云南省昆明一中、宁夏银川一中2022届高三下学期联合考试一模数学(文)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
,以原点为极点,
轴正半轴为极轴,建立极坐标系,直线
的极坐标方程为
.
(1)求曲线
的普通方程及直线
的直角坐标方程;
(2)设直线
与坐标轴交于
两点,点
在椭圆
上运动,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45fec8a659807a64dd5efdf7666f555d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.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/2252bff7372e728b159df8801fdee974.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/01c74a907dda6bb7d9d56d009d9df253.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/2205cffebf8c4d5f81d15ed7b85c8936.png)
您最近一年使用:0次
2022-02-22更新
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636次组卷
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3卷引用:宁夏银川市第二中学2021-2022学年高二下学期期中考试数学(理)试题