名校
解题方法
1 . 在平面直角坐标系中,曲线
的参数方程为
(
为参数),以O为极点,x轴的正半轴为极轴建立极坐标系,曲线
是圆心在极轴上且经过极点的圆,射线
与曲线
交于点
.
(1)求曲线
,
的普通方程;
(2)
,
是曲线
上的两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59cf73e1b94eb456fff9af66c235ef06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734a6a1d319648bb969845a9159cdba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b70e6ffcb9ab181c7308d812e3137d5.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299e193c0bb7580f2e0a6f122634f098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59faa64ad3ae063d1e3dc754c1923227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ed9b5847e95c3ca1b76d76f64a7f77.png)
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2022-11-20更新
|
620次组卷
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4卷引用:四川省绵阳南山中学实验学校2023届高三(补习)二诊模拟理科数学试题
名校
解题方法
2 . 下图所示形如花瓣的曲线
称为四叶玫瑰线,并在极坐标系中,其极坐标方程为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/0577ef70-f4b9-47b1-a5ba-08913047f901.png?resizew=180)
(1)若射线
:
与
相交于异于极点
的点
,
与极轴的交点为
,求
;
(2)若
,
为
上的两点,且
,求
面积
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d7c914fc237caa4bffbadcef16752e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/0577ef70-f4b9-47b1-a5ba-08913047f901.png?resizew=180)
(1)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734a6a1d319648bb969845a9159cdba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
(2)若
![](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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49a4c11d41372175ba3541a44c3376b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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|
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5卷引用:四川省资阳市2022-2023学年高三上学期第一次诊断考试数学(理)试题
四川省资阳市2022-2023学年高三上学期第一次诊断考试数学(理)试题四川省资阳市2023届高三上学期第一次诊断性考试文科数学试题(已下线)江西省五市九校协作体2023届高三第一次联考文科数学试题变式题21-23宁夏回族自治区银川一中2023届高三三模数学(理)试题宁夏回族自治区银川一中2023届高三三模数学(文)试题
3 . 在直角坐标系xOy中,曲线C的参数方程为
(t为参数),以坐标原点为极点,以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)求曲线C的普通方程和直线l的直角坐标方程;
(2)若直线l与曲线C交于A,B两点,点P的直角坐标为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59dc051dc44914c66b4e8a4d1b72093.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b3c9d450d8d58844fd1ea7b7215a68.png)
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)若直线l与曲线C交于A,B两点,点P的直角坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edaef66a0582e95fb5c57a405acdea9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7df089e093c2ed3cc61641910c7809.png)
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|
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|
4卷引用:四川省南充市2022-2023学年高三适应性考试(零诊)理科数学试题
4 . 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
,直线
的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ba661d645f716c8b9c73f80f3da026.png)
(1)求:①曲线
的普通方程;
②曲线
与直线
交点的直角坐标;
(2)设点
的极坐标为
,点
是曲线
上的点,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/64f23bb05e586ec0a3d42bdf95399ff5.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094ab3a9f3a40f6fc88a4184371dc745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ba661d645f716c8b9c73f80f3da026.png)
(1)求:①曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
②曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880c6f7958454eb391960173b0f83ad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
您最近一年使用:0次
22-23高三上·四川·阶段练习
5 . 在平面直角坐标系xOy中,曲线C的参数方程为
(
为参数),以坐标原点O为极点,x轴的非负半轴为极轴建立极坐标系,直线l的极坐标方程是
.
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)若直线l与曲线C交于A,B两点,点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83c66e1c7a55766c4bbf9f32e6047d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801c8c069029c1ee6388c9c57e3cfade.png)
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)若直线l与曲线C交于A,B两点,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c10f14aae6fb21e047ecb39cdf40c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
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|
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|
13卷引用:四川省金太阳大联考2022-2023学年高三上学期10月联考数学(文)试题
(已下线)四川省金太阳大联考2022-2023学年高三上学期10月联考数学(文)试题(已下线)四川省金太阳大联考2022-2023学年高三上学期10月联考数学(理)试题四川省绵阳南山中学2022-2023学年高三上学期11月月考理科数学试题四川省绵阳南山中学2024届高三上学期10月月考试题 数学(理)试题河南省名校联盟2022-2023学年高三上学期10月联考文科数学试题河南省名校联盟2022-2023学年高三上学期10月联考理科数学试题(已下线)第36节 参数方程江西省赣南(赣州三中、赣州中学、南康中学、宁都中学、于都中学)五校2023届高三上学期期中联考数学(理)试题江西省赣州市七校2023届高三上学期期中联考数学(文)试题江西省赣州市五校联考2023届高三上学期期中考试数学(文)试题甘肃省兰州市兰州西北中学2022-2023学年高三上学期期中数学(理科)试题甘肃省兰州市第二中学2022-2023学年高三上学期第二次月考文科数学试题江西省赣州市七校2023届高三上学期期中联考数学(理)试题
6 . 在平面直角坐标系xOy中,曲线C的参数方程为
.在以坐标原点O为极点,x轴的正半轴为极轴的极坐标系中,直线l的方程为
.
(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分别交于A,B两点,点M是AB的中点,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17327aff73bebc5c28cf50720c282bed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/649361e842399b796c4cb0b1fe75e2d9.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/dec3fdb2722c0bcac5303546e87152a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
您最近一年使用:0次
2022-10-10更新
|
560次组卷
|
4卷引用:四川省成都市树德中学2022-2023学年高三上学期10月月考数学(理)试题
7 . 在平面直角坐标系
中,直线
的参数方程为
(t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,曲线
的极坐标方程是
.
(1)求直线
的普通方程和曲线
的直角坐标方程;
(2)若直线
与曲线
交于
两点,点
,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/9788b1aaab7c406bb82d44188bb67d49.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/eb2ae187cd112b9a2d192a349194b07a.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328aaba77106396d4ca644c8b7a352e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
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2022-09-29更新
|
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4卷引用:四川省绵阳南山中学2022-2023学年高三上学期九月月考文科数学试题
8 . 在直角坐标系
中,直线
:
(
为参数),以
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
的普通方程与曲线
的直角坐标方程;
(2)设直线
分别交
,
轴于
,
两点,点
在曲线
上,求
面积的最大值.
![](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/bc5a176f0432e70e2db5fdb6d97e63da.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/094ab3a9f3a40f6fc88a4184371dc745.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/d053b14c8588eee2acbbe44fc37a6886.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
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名校
9 . 如图,在极坐标系Ox中,点
,曲线M是以OA为直径,
为圆心的半圆,点B在曲线M上,四边形OBCD是正方形.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/26/b88ebd87-0bb8-44e6-8aa2-fb3c0699cb56.png?resizew=212)
(1)当
时,求B,C两点的极坐标;
(2)当点B在曲线M上运动时,求D点轨迹的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390df402040b60fed7f448a15d153899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/26/b88ebd87-0bb8-44e6-8aa2-fb3c0699cb56.png?resizew=212)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56150248dd4b787a2013311e4737e93f.png)
(2)当点B在曲线M上运动时,求D点轨迹的极坐标方程.
您最近一年使用:0次
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9卷引用:四川省蓉城名校联盟2022-2023学年高三上学期入学联考文科数学试题
四川省蓉城名校联盟2022-2023学年高三上学期入学联考文科数学试题四川省蓉城名校联盟2022-2023学年高三上学期入学联考理科数学试题四川省资中县第二中学2022-2023学年高三上学期11月月考理科数学试题河南省南阳市第一中学校2022-2023学年高三上学期第二次月考理科数学试题宁夏回族自治区银川一中2023届高三第一次模拟考试数学(文)试题宁夏回族自治区银川一中2023届高三第一次模拟考试数学(理)试题广西壮族自治区防城港市2023届高三下学期4月月考数学(文)试题(已下线)专题10-1 极坐标与参数方程题型归类(讲+练)-1陕西省西安市铁一中学2024届高三上学期月考4数学(理)试题
名校
10 . 在直角坐标系
中,曲线
的参数方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ad7a6ab7b8d8d094fd41ebcc57b551.png)
为参数),
是
上的动点,
点满足
点的轨迹为曲线
.
(1)求
的参数方程;
(2)在以
为极点,
轴的正半轴为极轴的极坐标系中,射线
与
的异于极点的交点为
,与
的异于极点的交点为
,求
.
![](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/68ad7a6ab7b8d8d094fd41ebcc57b551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608172a5a6acb7aec81dc3791c2f287e.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf3c11311568b9d6363f458cbd02c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)在以
![](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/0bc1f08c7640e62e8717abf4d44a6c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/3f4dfec890cdfdda355e19463f3be813.png)
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4卷引用:四川省南充市阆中中学校2022-2023学年高三上学期10月月考数学(文)试题