名校
解题方法
1 . 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,
轴的非负半轴为极轴建立极坐标系.
(1)求曲线
的普通方程;
(2)直线
与曲线
交于点
,求线段
的长.
![](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/a47c855591777126d117511f0c3295f5.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)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48b60bb02a6f391f379d06e4d244d4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
名校
解题方法
2 . 如图,在极坐标系
中,圆
的半径为
,半径均为
的两个半圆弧
所在圆的圆心分别为
,
,
是半圆弧
上的一个动点,
是半圆弧
上的一个动点.
(1)若
,求点
的极坐标;
(2)若点
是射线
与圆
的交点,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b859e308fcce9f40cf7bf0fa3a717f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3449cf3f7f863c11344d3f53805062ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/7/3bf255b5-d7e6-4bb0-b821-96064fe9a497.png?resizew=163)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb74037b00cf71e49dae1663a2abb47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65125a43aa50b652de8f5614b81f176a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893de44d87d91b0508165c2b6edaed79.png)
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10卷引用:江西省景德镇市2023届高三第三次质量检测理科数学试题
江西省景德镇市2023届高三第三次质量检测理科数学试题江西省景德镇市2023届高三第三次质量检测文科数学试题四川省绵阳中学2023-2024学年高三上学期一诊模拟(三)数学(理科)试题四川省泸州市泸州老窖天府中学2024届高三一模数学(文)试题(二)四川省泸州市泸州老窖天府中学2024届高三上学期数学(理科)一诊模拟(二)试题(已下线)2024年全国高考名校名师联席命制数学(理)信息卷(八)(已下线)2024年全国高考名校名师联席命制数学(文)信息卷(八)宁夏回族自治区银川一中2024届高三上学期第二次月考数学(理)试题宁夏回族自治区银川一中2024届高三上学期第二次月考数学(文)试题四川省绵阳市三台中学校2023-2024学年高三上学期第二学月测试理科数学试题
名校
解题方法
3 . 数学中有许多美丽的曲线,如在平面直角坐标系xOy中,曲线E:
(如图),称这类曲线为心形曲线.以坐标原点O为极点,x轴的正半轴为极轴建立极坐标系,当
时,
(1)求E的极坐标方程;
(2)已知P,Q为曲线E上异于O的两点,且
,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3478c8546e3120d03ce4d039499f795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/3/c862c8d9-a453-4169-8bb3-05a598f686f7.png?resizew=151)
(1)求E的极坐标方程;
(2)已知P,Q为曲线E上异于O的两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ffe69ab39492e018a51e21b52dd0fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
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2023-09-03更新
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7卷引用:江西省鹰潭市2023届高三高考一模数学(理)试题
江西省鹰潭市2023届高三高考一模数学(理)试题四川省雅安市2023届高三零诊考试数学(理)试题四川省雅安市2023届高三零诊考试数学(文)试题(已下线)第01讲 极坐标与参数方程(练)(已下线)安徽省江南十校2022届高三下学期3月一模理科数学试题变式题21-23新疆乌鲁木齐市第七十中学2023届高三上学期期中数学(理)试题四川省成都市成华区某校2023-2024学年高三上学期10月月考文科数学试题
4 . 在直角坐标系
中,曲线
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
极坐标方程为
.
(1)写出
的普通方程和
的直角坐标方程;
(2)若曲线
与曲线
交于
,
两点,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/be2aa401d7f8385a48f5bdb803dc116f.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/86e6cb39806a5472f4a187d0a5b73d70.png)
(1)写出
![](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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
5 . 在直角坐标系
中,直线
经过点
,倾斜角为
,以坐标原点O为极点,x轴正半轴为极轴建立极坐标系,曲线C的极坐标方程为
.
(1)求直线
的参数方程和曲线C的直角坐标方程;
(2)设直线
与曲线C相交于A,B两点,弦AB的中点为N,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/c7cda9ce6d633bc1f3a249fb0fc458a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.png)
(1)求直线
![](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/f79e30e2281786e738fdca908c02e681.png)
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2023-08-04更新
|
247次组卷
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4卷引用:江西省赣州市兴国县2023届高三高考考前最后一卷(全国乙卷)数学(理)试题
6 . 在直角坐标系
中,
是过
且倾斜角为
的一条直线,又以坐标原点
为极点,
的非负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
的参数方程,并将曲线
的极坐标方程化为直角坐标方程;
(2)若直线
与曲线
在
轴的右侧有两个交点
,过点
作
的平行线,交
于
两点,求证:
.
![](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/d5c10f14aae6fb21e047ecb39cdf40c0.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd857fdf83c7bf71883cfdd0c79a13a.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)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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee0d26766290953a9f5f7ad7791e40b2.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/9c0f067a2a348ceb24a408f82992eab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f461f01e01ed785cdd10a846b64dd5.png)
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2023-06-01更新
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4卷引用:江西师范大学附属中学2023届高三三模考试数学(理)试题
7 . 在平面直角坐标系中,直线
经过点
,倾斜角为
,直线
与
关于
轴对称.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
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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/b70204cc94826518b1c683a28f058d7f.png)
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2023-05-26更新
|
359次组卷
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3卷引用:江西省2023届高三高考适应性大练兵联考数学(理)试题
名校
8 . 在平面直角坐标系xOy中,直线
的参数方程为
(
为参数),以O为极点,
轴的正半轴为极轴建立极坐标系,曲线C的极坐标方程为
.
(1)求C的直角坐标方程以及C与y轴交点的极坐标;
(2)若直线
与C交于点A,B,与
轴交于点P,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f015d2ddf2146636a2f7565a380112.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/9bec39a5f5021d0b06208814334e6c63.png)
(1)求C的直角坐标方程以及C与y轴交点的极坐标;
(2)若直线
![](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/7384b9afcef2d86a87eee0c66f383052.png)
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7卷引用:江西省南昌市部分学校2023届高三模拟考前押题模拟预测数学(理)试题
名校
9 . 在直角坐标系xOy中,圆C的参数方程为
为参数),以O为极点,x轴正半轴为极轴建立极坐标系.
(1)求圆C的极坐标方程;
(2)AB是圆C上的两点,且∠AOB=
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb01cf0dbc9941a7e217eb13976c9cdd.png)
(1)求圆C的极坐标方程;
(2)AB是圆C上的两点,且∠AOB=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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6卷引用:江西省稳派联考2023届高三模拟预测数学(理)试题
10 . 瑞士数学家雅各布·伯努利在1694年类比椭圆的定义,发现了双纽线.双纽线的图形如图所示,它的形状像个横着的“8”,也像是无穷符号“∞”.定义在平面直角坐标系
中,把到定点
距离之积等于
的点的轨迹称为双纽线
.以
为极点,
轴的正半轴为极轴建立极坐标系.
(1)求双纽线
的极坐标方程;
(2)双纽线
与极轴交于点P,点M为C上一点,求
面积的最大值(用
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1aa1a5565eef09e163e2b3487beaa6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd0f31afe865a63682ccd4a18a0e0d.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/26/5dede47c-56c9-4ba0-b918-1a0fc4f70c20.png?resizew=179)
(1)求双纽线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)双纽线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a51268fce97426487c3338d6ec3d571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-05-20更新
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