1 . 在直角坐标系xOy中,直线l的参数方程为
(t为参数),曲线C的方程为
.以坐标原点为极点,x轴正半轴为极轴建立极坐标系,射线E的极坐标方程为
,
.
(1)求直线l的普通方程和曲线C的极坐标方程;
(2)若E与l交于点A,E与C交于点B,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39eff7bfac439d5193deeb2bd29be141.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e04720ecc25ad8e71f2628c2ee0c674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f5d2e8186f0173d7862b1d39fb3dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d4e4a30f64d8ffccb3fb538ed91b4b.png)
(1)求直线l的普通方程和曲线C的极坐标方程;
(2)若E与l交于点A,E与C交于点B,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eab337bf4e133918aa1af547411a2f1.png)
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2 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),以原点为极点,
轴的正半轴为极轴建立极坐标系,射线
的极坐标方程为
(
),射线
的极坐标方程为
.
(1)指出曲线
的曲线类型,并求其极坐标方程;
(2)若射线
与曲线
交于
,
两点,射线
与曲线
交于
,
两点,求
的面积的取值范围.
![](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/98afaeaf61b8dc19027931e3364ceb9d.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f5d2e8186f0173d7862b1d39fb3dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b495a7a39cd372ac8aa24132c4459c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64d258ec168bfd84bda8ea26ce6e909b.png)
(1)指出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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3 . 在平面直角坐标系中,曲线
的参数方程为
(
为参数),以该直角坐标系的原点为极点,
轴的非负半轴为极轴建立极坐标系;曲线
的极坐标方程为
.
(Ⅰ)求
的极坐标方程;
(Ⅱ)
与
交于
,
两点,线段
中点为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86d51146ef8676cd04cc0610a1a6f59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.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/734a6a1d319648bb969845a9159cdba7.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c19fa4cd646f4d877c3e58cc346651.png)
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名校
解题方法
4 . 在直角坐标系中,已知曲线
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,直线
的极坐标方程为
,直线
的极坐标方程为
.
(Ⅰ)写出曲线
的极坐标方程;
(Ⅱ)设
与曲线
交于
,
两点,
与曲线
交于
,
两点,求四边形
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac3cc5f1f3ef792863538aa131d2d07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f5d2e8186f0173d7862b1d39fb3dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faecf3060855c0d20ce487ae71893e26.png)
(Ⅰ)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.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/acc290b44635265137fdf13146b6a6d9.png)
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99393efa04579f3db5cf4f7e319f0440.png)
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2020高三·全国·专题练习
解题方法
5 . 在直角坐标系
中,曲线C的参数方程为
(α为参数),以
为极点,x轴非负半轴为极轴建立极坐标系,直线
的极坐标方程分别为
交曲线C于点M,N,
交曲线C于点P,Q.
(1)求曲线C的极坐标方程;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a793c576072a7fd8102ff4642658bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc4fb814dbdd5dc584a06be40da14146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0ffe9aa038c79a3a4b1324e8eeb61b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd8f64ebec4a71a609204458cc54df82.png)
(1)求曲线C的极坐标方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b7079b4bb1444f65eeca71dc4658bd.png)
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名校
6 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数),圆
的方程为
,以原点
为极点,以
轴正半轴为极轴建立极坐标系,射线
的极坐标方程为
.
(1)求曲线
与圆
的极坐标方程;
(2)当
时,若射线
与曲线
和圆
分别交于异于点
的
,
两点,且
,求
的面积.
![](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/7b3c50ac04122012ac6634eb9f7be08e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550d183b05000722c74baf25eb4a6741.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/baf80d64007078fd7ab1fc58a6dbc844.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df3eab01d003b6f65be91cc989c3d2f.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/10cd377f64a66b889a5a91584fab3e0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e125016253ec8a4bb0cdf2a7046f3f87.png)
您最近一年使用:0次
7 . 已知在平面直角坐标系
中,直线
的参数方程为
(
为参数)曲线
的参数方程为
(
为参数),以
为极点,
轴非负半轴为极轴建立极坐标系.
(1)求直线
和曲线
的极坐标方程;
(2)若曲线
:
分别交直线
和曲线
于点
,
,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/752a55f9ffa4efd073933542a507eb2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3818e95641a272c1616f0cbd838c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1dd31a086412c798146d11008253d4f.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)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e308ac24c8b0d17ccf634376c7cfea.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/553c225e9d2342c2d7d9c70a7d18b5c2.png)
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2020-08-14更新
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安徽省黄山市2020届高三第二次质量检测数学(文)试题江西省南昌市八一中学、洪都中学、十七中三校2021届高三上学期期末联考数学(文)试题江西省南昌市八一中学、洪都中学、十七中三校2021届高三上学期期末联考数学(理)试题(已下线)专题17 坐标系与参数方程-备战2021届高考数学(理)二轮复习题型专练?(通用版)
名校
8 . 在平面直角坐标系中,直线m的参数方程为
(t为参数,0≤α<π).以坐标原点为极点,以x轴的非负半轴为极轴建立极坐标系.曲线E的极坐标方程为ρ2+2ρcosθ﹣3=0,直线m与曲线E交于A,C两点.
(1)求曲线E的直角坐标方程和直线m的极坐标方程;
(2)过原点且与直线m垂直的直线n,交曲线E于B,D两点,求四边形ABCD面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadd634077778c9db49c6082de3af072.png)
(1)求曲线E的直角坐标方程和直线m的极坐标方程;
(2)过原点且与直线m垂直的直线n,交曲线E于B,D两点,求四边形ABCD面积的最大值.
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2020-07-24更新
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7卷引用:安徽省合肥市2020届高三高考数学(文科)三模试题
安徽省合肥市2020届高三高考数学(文科)三模试题安徽省合肥市2020届高三高考数学(理科)三模试题湖北省荆门市龙泉中学2020届高三下学期高考适应性考试(二)数学(理)试题安徽省合肥市2020届高三下学期第三次教学质量检测数学(理)试题安徽省合肥市2020届高三下学期第三次教学质量检测数学(文)试题(已下线)专题15 坐标系与参数方程-备战2021届高考数学(文)二轮复习题型专练?(通用版)(已下线)第55讲 坐标系(练) — 2022年高考数学一轮复习讲练测(课标全国版)
名校
9 . 在平面直角坐标系
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
,曲线
.
(1)求曲线
与
的直角坐标方程;
(2)若直线
的极坐标方程为
,设
与
和
的交点分别为M,N,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3814d9598a1b706c22c578bb56856575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf453240c62e210ad525427f8ecf0724.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/744a49c9068fbc04ad5889f4138d4c6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.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/084cf5ffced059f5653ee2a1023518b7.png)
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2020-07-15更新
|
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3卷引用:河南省郑州市第一中学2020届高三名校联考数学试题(文科)
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10 . 在直角坐标系xOy中,直线l的方程是
,曲线C的参数方程是
(φ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.
(1)求直线l和曲线C的极坐标方程;
(2)若
是曲线C上一点,
是直线l上一点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4c48da0adf3dad0bb18ec937929e08.png)
(1)求直线l和曲线C的极坐标方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618f23cccdba8f7db0687e9f844509ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c976be6aa6c48752e1b89bc8e295662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcb4841ae7bb1d5f91837094cdfcf2c.png)
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2020-05-04更新
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4卷引用:东北三省三校(哈尔滨师大附中、东北师大附中、辽宁省实验中学)2019-2020年高三第二次联合模拟文科数学试题