1 . 已知极点与坐标原点
重合,极轴与
轴非负半轴重合,
是曲线
上任一点,点
满足
.设点
的轨迹为曲线
.
(1)求曲线
的平面直角坐标方程;
(2)已知曲线
向上平移1个单位后得到曲线
,设曲线
与直线
(
为参数)相交于
,
两点,求
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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f87a09397dac6d0c2f5c737e8fda561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5ff3c8de4b11f300b5fa148f68131d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)已知曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc2d99e18e4c0d5264e4f952e099aa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/c8a99d2c4a23825f62aadcc40822b5eb.png)
您最近一年使用:0次
2020-07-12更新
|
222次组卷
|
5卷引用:【市级联考】河南省洛阳市2019届高三第三次统一考试数学(文)试题
【市级联考】河南省洛阳市2019届高三第三次统一考试数学(文)试题【市级联考】河南省洛阳市2019届高三第三次统一考试数学(理)试题安徽省合肥市肥东县高级中学2020届高三下学期6月调研考试数学(文)试题安徽省合肥市肥东县2020届高三(6月份)高考数学(文科)调研试题(已下线)专题13.2 参数方程(精练)-2021届高考数学(文)一轮复习讲练测
2 . 在极坐标系中,点P的坐标是
,曲线C的方程为
.以极点为坐标原点,极轴为x轴的正半轴建立平面直角坐标系,斜率为
的直线l经过点P.
(1)写出直线l的参数方程和曲线C的直角坐标方程;
(2)若直线l和曲线C相交于两点A,B,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0a7f9ee3c6ccaea8dd3d5ad042e5f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d570262946eb14bf0b44cf036c5a68be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
(1)写出直线l的参数方程和曲线C的直角坐标方程;
(2)若直线l和曲线C相交于两点A,B,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01db917a6fa38b67551cf2d911a1dd76.png)
您最近一年使用:0次
2020-07-12更新
|
195次组卷
|
4卷引用:安徽省合肥市肥东县高级中学2020届高三下学期6月调研考试数学(理)试题
名校
3 . 在直角坐标系
中,直线
的参数方程为
(
为参数,
为直线
倾斜角),以直角坐标系原点
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
和曲线
的普通方程;
(2)若点
,直线
与曲线
交于不同的两点
,
,且
,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/80ec4ec4b327af5ca3338b5045a707aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/236836bd898ebf7b8d9f038851c6e071.png)
(1)写出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1485b06583f4e68f36e7f3003c4c14b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
您最近一年使用:0次
2020-07-11更新
|
294次组卷
|
3卷引用:黑龙江省哈尔滨师范大学附属中学2020届高三6月复课线下考查数学(文)试题
4 . 以直角坐标系
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C的极坐标方程是
.
(1)求曲线C直角坐标方程;
(2)射线
与曲线C相交于点
,直线
(t为参数)与曲线C相交于点D,E,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ab08c6da5e3f3b5a7409a540ae383c.png)
(1)求曲线C直角坐标方程;
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc1f08c7640e62e8717abf4d44a6c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13f7dfe1ecd2ab61502b1e6e64c4c13e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192aeb9fe486f44a27d837274daf8657.png)
您最近一年使用:0次
2020-07-11更新
|
223次组卷
|
2卷引用:四川省达州市普通高中2020届高三第三次诊断性测试数学试题(理科)
名校
5 . 在平面直角坐标系中,已知曲线
(
为参数),直线
(
为参数,
),直线
与曲线
相切于点
,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
的极坐标方程及点
的极坐标;
(2)曲线
的直角坐标方程为
,直线
的极坐标方程为
,直线
与曲线
交于在
,
两点,记
的面积为
,
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882a310c9a98d0866603875312ad9ddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1048e6ccd5b3229ce584989fc5652d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ae955c9387d83dea2a7f092208f84e.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/dad2a36927223bd70f426ba06aea4b45.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211b9e53e4677ae9e2b20d5f7ce0a4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/208d06992b667eb534a22ad13086087a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce619c464f2aa04178ea0111ba60544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13ec718aaa457bb0e1513d3b5010fcc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce619c464f2aa04178ea0111ba60544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211b9e53e4677ae9e2b20d5f7ce0a4e4.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/6e534b545e86c02abd2a0dc75d32b407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd23b02d324c5c4838a62928393f3c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb2b54e950e0d855857ac7038dd5dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3067fcf62ffbf942c18481970849ad05.png)
您最近一年使用:0次
2020-07-11更新
|
255次组卷
|
2卷引用:黑龙江省哈尔滨市第三中学校2020届高三第二次模拟考试数学(文)试题
6 . 已知曲线
(t为参数),以坐标原点为极点,x轴的非负半轴为极轴建立极坐标系,曲线
的极坐标方程为
,正方形
的顶点都在
上,且A、B、C、D依逆时针次序排列,点A的极坐标为
.
(Ⅰ)求曲线
的普通方程及点A、B、C、D的直角坐标;
(Ⅱ)设P为
上任意一点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2a58df43f2947b301a4f21aad7ca33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f917a2022014d9c19c29eeac84c74e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7e48b620e488bde1b45d96c4431e1d.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(Ⅱ)设P为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad28e9213dcaff3c3c4354d33db311cc.png)
您最近一年使用:0次
2020-07-11更新
|
428次组卷
|
8卷引用:黑龙江省哈尔滨师范大学附属中学2020届高三下学期第三次模拟数学(理)试题
黑龙江省哈尔滨师范大学附属中学2020届高三下学期第三次模拟数学(理)试题黑龙江省哈尔滨师范大学附属中学2020届高三下学期第三次模拟数学(文)试题东北三省三校(哈师大附中、东北师大附中、辽宁省实验中学)2020届高三高考数学(理科)三模试题内蒙古赤峰市宁城县2020-2021学年高三9月摸底考试数学(理)试题内蒙古赤峰市宁城县2020-2021学年高三9月摸底考试数学(文)试题(已下线)理科数学-2021年高考押题预测卷(新课标Ⅰ卷)02(已下线)文科数学-2021年高考押题预测卷(新课标Ⅰ卷)02内蒙古自治区赤峰市赤峰第四中学2020-2021学年高二下学期期中考试数学(文)试题
名校
解题方法
7 . 在直角坐标系中,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
,若直线
与曲线
交于
两点.
(1)若
,求
;
(2)若点
是曲线
上不同于
的动点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8476d9b1829be961d17010f3dc20673b.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/69cf89e94eb51129f144d9809ec290f7.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)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafde991f25fac2e791dbfddac2e0ec8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
(2)若点
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
您最近一年使用:0次
2020-07-11更新
|
546次组卷
|
6卷引用:黑龙江省哈尔滨市第三中学校2020届高三第四次模拟数学(文)试题
8 . 在平面直角坐标系
中,直线
经过点
,其倾斜角为
,设曲线
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,曲线
的极坐标方程为
.
(1)求曲线
的普通方程和极坐标方程;
(2)若直线
与曲线
有公共点,求
的取值范围.
![](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/273cda7a86bdedbec64859f2a9ab584a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b88cb92b75a1be71dc62a0b0746333d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.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/69cf89e94eb51129f144d9809ec290f7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.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/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2020-07-10更新
|
300次组卷
|
2卷引用:黑龙江省大庆实验中学2020届高三综合训练(四)数学(理)试题
9 . 在平面直角坐标系
中,曲线C的方程为
,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的极坐标方程为
.
(1)求直线l的直角坐标方程和曲线C的参数方程;
(2)已知P、Q两点分别是曲线C和直线l上的动点,且直线
的倾斜角为
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc603fea876cbf85b1efcb5bab0d500f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea0aa0e337b7d799a19d6d0b5ffd491.png)
(1)求直线l的直角坐标方程和曲线C的参数方程;
(2)已知P、Q两点分别是曲线C和直线l上的动点,且直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82358b724051b032c7ec734a226ae84.png)
您最近一年使用:0次
10 . 在直角坐标系
中,以坐标原点为极点,x轴的正半轴为极轴建立极坐标系,曲线
的参数方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5563a036c938ddeddb6e984a37ab75e.png)
为参数,曲线
上的点
的极坐标分别为
.
(1)过O作线段
的垂线,垂足为H,求点H的轨迹
的直角坐标方程;
(2)求
两点间的距离的取值范围.
![](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/a5563a036c938ddeddb6e984a37ab75e.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98615e0f2cb3022f1cf0140a41d404a.png)
(1)过O作线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
您最近一年使用:0次