1 . 在平面直角坐标系中,曲线E的参数方程为
(
为参数).以坐标原点为极点,x轴正半轴为极轴,建立极坐标系,射线
:
与E交于A,B两点,射线
:
与E交于C,D两点.
(1)求曲线E的极坐标方程;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5739917ac0dbb80380d59e65373f850a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec9d7557af2d51fd5b2e0ddaad5c5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c919cb94b699e029c0a2c33a980646b1.png)
(1)求曲线E的极坐标方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d107ca31e447102491c0fb01a286e8ae.png)
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3卷引用:四川省宜宾市2023届高三三模数学(文科)试题
2 . 在极坐标系中,
,
,
,以极点O为原点,极轴为x轴的正半轴,建立平面直角坐标系,已知直线l的参数方程为
(t为参数,
),且点P的直角坐标为
.
(1)求经过O,A,B三点的圆C的极坐标方程;
(2)求证直线l与(1)中的圆C有两个交点M,N,并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1a9821a00b71f6b7d7a76d91b3f810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f2fee11cd80e25b6f319c34eccc4f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c36e2bbd82360f0411080435c8b4b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1108bdbdc840746ab6c3428e82f6144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa528bcfeca58c46fedfeaf0969d3a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
(1)求经过O,A,B三点的圆C的极坐标方程;
(2)求证直线l与(1)中的圆C有两个交点M,N,并求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79188647c574441c2414c3781a0ef543.png)
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3 . 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)已知点
,曲线
与曲线
交于
,
两点,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/ca40fae0f0e7ef6b84996d223c6375d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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/37f7c76cd384ff8f52735473573a800c.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8812ae47dd19a907acef8ab1eca393bd.png)
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4卷引用:2023年高三数学(理)押题卷四
名校
4 . 直线
(t为参数),圆
(极轴与x轴的非负半轴重合,且单位长度相同).
(1)求圆心C到直线l的距离;
(2)若直线l被圆C截得的弦长为
,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9cae9b7f4e91e9c80fcedffe8ba4b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/362ba47e864eba162e8713c035ff9842.png)
(1)求圆心C到直线l的距离;
(2)若直线l被圆C截得的弦长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc3aaad905bb6ce8bd82cf68ef275e1.png)
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5卷引用:陕西省咸阳市2023届高三三模文科数学试题
5 . 在直角坐标系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)P为直线l上一点,过P作曲线C的两条切线,切点分别为A,B,若
,求点P的横坐标的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e1aeead1d3bbd56a215dbc7bbb68dd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51778a99314704f7a137b7c7e3031eaa.png)
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)P为直线l上一点,过P作曲线C的两条切线,切点分别为A,B,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6755d03c30c4a3987bdaf50a9d86a83.png)
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3卷引用:河南省新乡市2023届高三第三次模拟考试理科数学试题
6 . 在直角坐标系xOy中,曲线C的参数方程为
(
为参数),将曲线C向上平移1个单位长度得到曲线
.以O为极点,x轴的正半轴为极轴建立极坐标系,设
.
(1)求曲线
的普通方程和点P的直角坐标;
(2)已知直线l经过点P与曲线
交于A,B两点(点A在点P右上方),且
,求直线l的普通方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c0f9c8c507b8aa42cad870ab05004e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c1dd0d282af6a2ba9920877a06f2c4.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)已知直线l经过点P与曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250778bb695466a759f3023ce50d53b8.png)
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3卷引用:江西省上饶市2023届高三二模数学(理)试题
7 . 在平面直角坐标系中,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,曲线
的直角坐标方程;
(2)设点
,曲线
,
的交点为A,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d8ee294e94ce7c9f34efd91d0ab21c5.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/416c1727b11a625faef65dd4fd98ff17.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242dc4cf2720b503e26ec8017d31444f.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9486e4e76ff07c6c47091e0e4b8bcd7d.png)
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4卷引用:内蒙古赤峰市2023届高三下学期二模数学试题(文)
8 . 在直角坐标系
中,以坐标原点为极点,x轴正半轴为极轴建立极坐标系.曲线C的极坐标方程为
,直线l的普通方程为
.
(1)将C的极坐标方程化为参数方程;
(2)设点A的直角坐标为
,M为C上的动点,点P满足
,写出P的轨迹
的参数方程并判断
与l的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b979396a703fb14715ba39232f5786a.png)
(1)将C的极坐标方程化为参数方程;
(2)设点A的直角坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cf818dd484cc4cebd40a5f28eb8e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f243b6c13d79517454562e4c1e0ec7fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
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2023-04-23更新
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3卷引用:贵州省贵阳市五校2023届高三联合考试(五)理科数学试题
名校
9 . “太极图”是关于太极思想的图示,其形状如对称的阴阳两鱼互抱在一起,也被称为“阴阳鱼太极图”.在平面直角坐标系
中,“太极图”是一个圆心为坐标原点,半径为
的圆,其中黑、白区域分界线
,
为两个圆心在
轴上的半圆,
在太极图内,以坐标原点为极点,
轴非负半轴为极轴建立极坐标系.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/24/cf8fafc0-b3cf-4970-98ad-3f6807fab2f1.png?resizew=196)
(1)求点
的一个极坐标和分界线
的极坐标方程;
(2)过原点的直线
与分界线
,
分别交于
,
两点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c54373fa62652ad075f41280e44a81b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/24/cf8fafc0-b3cf-4970-98ad-3f6807fab2f1.png?resizew=196)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)过原点的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
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2023-04-23更新
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5卷引用:江西省南昌市2023届高三二模数学(理)试题
江西省南昌市2023届高三二模数学(理)试题江西省南昌市2023届高三二模数学(文)试题四川省南部中学2023届高三下学期高考考前理科数学模拟训练(一)(已下线)专题20坐标系与参数方程(已下线)专题20坐标系与参数方程.
10 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数),以坐标原点为极点,
轴正半轴为极轴建立极坐标系,已知直线
的极坐标方程为
.
(1)写出直线
的参数方程及曲线
的普通方程;
(2)设点
,若直线
与曲线
交于A、B两点,且
,求实数
的值.
![](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/8b4893f885e65d2d978651fb92fd7383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.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/af9a0658e502e5ea23c1a9647157f325.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)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8317fc91d04b45040abc773e31689a81.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/6383225e7dcf8720131432902626cac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-04-21更新
|
698次组卷
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5卷引用:陕西省西安市长安区2023届高三一模理科数学试题
陕西省西安市长安区2023届高三一模理科数学试题陕西省西安市长安区2023届高三一模文科数学试题(已下线)2024年高考全国甲卷数学(文)真题变式题16-23新疆维吾尔自治区乌鲁木齐市等5地莎车县第九中学等2校2023届高三二模数学(文)试题新疆维吾尔自治区部分学校2023届高三二模数学(理)试题