1 . 在平面直角坐标系xOy中,已知曲线C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,直线l的极坐标方程为
,其中α为倾斜角,且
.
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)设l与曲线C相交于P,Q两点,直线OP,OQ的斜率为
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d9cbe04956ef4b95ef024abd8996a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f0838287a18587c531ee73b4dd71ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dac81d455c635326354f30f129e0b00.png)
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)设l与曲线C相交于P,Q两点,直线OP,OQ的斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69e3f7ddd51215d00661c09cd900d60.png)
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名校
解题方法
2 . 在直角坐标系
中,
,以坐标原点为极点,
轴的非负半轴为极轴建立极坐标系,已知圆锥曲线
的极坐标方程为
,
、
为
的左、右焦点,过点
的直线
与曲线
相交于A,
两点.
(1)当
时,求
的参数方程;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5e7f4a57688b0613a901a8f9e32e46b.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/5b41b0a52703647298bb8209ae393ade.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f36bce273e1a2f40613e1160e5a9a353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c2ef75d26088d0959eb993868ef798.png)
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2卷引用:江西省九江十校2023届高三第二次联考数学(文)试题
3 . 在直角坐标系xOy中,已知直线l的方程为
,曲线C的参数方程为
(α为参数).以O为极点,x轴的正半轴为极轴建立极坐标系.
(1)求直线l的极坐标方程和曲线C的普通方程;
(2)设直线
与曲线C相交于点A,B,与直线l相交于点C,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/896aa4ffc1f71505384513f8fed8591d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ce418a8d149d03c766281e2415eb43.png)
(1)求直线l的极坐标方程和曲线C的普通方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/082990da1f11a1a7be4fc3935c0d526e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f353bf37e83b723b3b74821feb91db.png)
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5卷引用:江西省九江市2023届高三高考二模数学(文)试题
江西省九江市2023届高三高考二模数学(文)试题江西省九江市2023届高三高考二模数学(理)试题(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.(已下线)专题10-1 极坐标与参数方程题型归类(讲+练)-2
名校
4 . 在平面直角坐标系xOy中,曲线C的参数方程为
(
是参数),直线l的普通方程为
,以坐标原点为极点,x轴的正半轴为极轴建立极坐标系.
(1)求曲线C的普通方程和直线l的极坐标方程;
(2)若P是曲线C上任意一点,求点P到直线l的距离的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de5e109e021b199157e70a2a8b01f3cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19556a290cd4e98e84b584d30f466614.png)
(1)求曲线C的普通方程和直线l的极坐标方程;
(2)若P是曲线C上任意一点,求点P到直线l的距离的取值范围.
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9卷引用:江西省九江市2023届高三2月质量检测数学(理)试题
名校
解题方法
5 . 在直角坐标系
中,已知曲线
的参数方程为
(
为参数),以
为极点,
轴的正半轴为极轴建立极坐标系,直线
的极坐标方程为
(
为直线
的倾斜角).
(1)求直线
的直角坐标方程和曲线
的普通方程;
(2)设
,直线
与曲线
相交于
两点,求
的最大值.
![](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/40814c3d991b0068b9279b5504651544.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63ac52967afa15d89f919a8a03998a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1b6f209d1a805437046ca6ef79dd.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e951187d5c8005fc8ab8efa1342c8be.png)
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名校
6 . 在平面直角坐标系
中,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
,曲线
的极坐标方程为
.
(1)求曲线
的直角坐标方程;
(2)若曲线
上恰有三个点到曲线
的距离为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/95173799039693fd11ac80bb0ed54b4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a78c94fe991381a0a3770001774df5c.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.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/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 在平面直角坐标系xOy中,已知直线l的普通方程为
,曲线E的参数方程为
(
为参数).
(1)以原点O为极点,x轴正半轴为极轴建立极坐标系,求直线l及曲线E的极坐标方程;
(2)若P为曲线E在第一象限上一点,射线OP按逆时针方向旋转
,与直线l相交于点Q,若
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/844b0ce7dd3693fa9ffefaafc8858809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b951b1898079b558ccfb555da9a33d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)以原点O为极点,x轴正半轴为极轴建立极坐标系,求直线l及曲线E的极坐标方程;
(2)若P为曲线E在第一象限上一点,射线OP按逆时针方向旋转
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802e162b98c280720fcb909cf392fda3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae743852e53bb3a32144cfa423d2bf0.png)
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名校
8 . 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,以
轴正半轴为极轴,建立极坐标系,点
为曲线
上的动点,点
在线段
的延长线上,且满足
,点
轨迹为
.
(1)求
的极坐标方程;
(2)设点
的极坐标为
,求
面积的最小值.
![](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/152236216f8d1cb39b261108e8fc8b9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fa8e35f8c1731c9563bab260380170e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94869ae8f4e594e8a38a5549006f444d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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17卷引用:【市级联考】江西省九江市2019届第一次高考模拟统一考试数学试题(理科)
【市级联考】江西省九江市2019届第一次高考模拟统一考试数学试题(理科)【市级联考】江西省九江市2019届高三第一次高考模拟统一考试数学文试题陕西省榆林市第一中学2019届高考模拟考试文科数学 试题陕西省榆林市一中2019届高考模拟考试理科数学 【市级联考】宁夏银川市2019年高三下学期质量检测文科数学试题【市级联考】宁夏银川市2019届高三下学期质量检测理科数学试题2019届湖北省黄冈中学高三第二次模拟考试数学(文)试题【全国百强校】宁夏回族自治区银川一中2018-2019高二下学期期中考试文科数学试题2020届河南省南阳市第一中学高三下学期第一次月考数学(理)试题(已下线)2020届高三3月第01期(考点14)(理科)-《新题速递·数学》专题10+坐标系与参数方程-2021高考数学(理)高频考点、热点题型归类强化黑龙江省哈尔滨市第三中学2021-2022学年高三上学期第二次验收考试文科数学试题黑龙江省哈尔滨市第三中学2021-2022学年高三上学期第二次验收考试理科数学试题(已下线)2021年高考全国乙卷数学(理)高考真题变式题21-23题(已下线)2021年高考全国乙卷数学(理)高考真题变式题21-23题河南省实验中学2023-2024学年高三上学期开学考试数学(理)试题河南省焦作市第一中学2022-2023学年高二下学期期中数学试题
9 . 在平面直角坐标系
中,已知曲线
的参数方程为
(
为参数),以
为极点,
轴的非负半轴为极轴建立极坐标系,曲线
的极坐标方程为
,记曲线
与
公共弦所在直线为
.
(1)求直线
的极坐标方程;
(2)设过
点的直线
与直线
交于点
,与曲线
交于点
(异于原点
),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/a27fbb191c2ed29bda7682f92fd2362f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34517f479fb08f6096d2fb0362f3ad0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43995a8753fb39e768bc0e04a0e2a7b3.png)
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2021-05-12更新
|
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4卷引用:江西省九江市2021届高三三模数学(理)试题
名校
10 . 已知在平面直角坐标系
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,线直
的极坐标方程为
.
(1)求曲线
和直线
的直角坐标方程;
(2)若直线
交曲线
于
,
两点,交
轴于点
,求
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/c9eda07fa88638820d2aa88f68ee14a4.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef1f9ea53fee33a3e326eacd291fe54.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
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2021-05-08更新
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4卷引用:江西省九江第一中学2021届高三5月适应性考试数学(理)试题