1 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数).以坐标原点
为极点,
轴非负正半轴为极轴,建立极坐标系,曲线
的极坐标方程为
.
(1)求
的极坐标方程和
的直角坐标方程;
(2)若
,
交于
,
两点,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/db28271597bf9219d6b498894974dcf6.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若
![](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/e9c73b966db0112d6b9d570bb36795c2.png)
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2021-04-10更新
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3卷引用:云南省昆明市2021届“三诊一模”高三复习教学质量检测数学(理)试题
云南省昆明市2021届“三诊一模”高三复习教学质量检测数学(理)试题2021届云南省昆明市高考“三诊一模”第二次教学质量检测数学(文科)试题(已下线)押第22题 极坐标与参数方程-备战2021年高考数学(文)临考题号押题(全国卷2)
2 . 平面直角坐标系
中,曲线C的参数方程为
(
为参数)以坐标原点为极点,x轴正半轴为极轴建立极坐标系,直线l的极坐标方程为
.
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)设
,若直线l与曲线C交于A,B两点,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34f62a2401b5c2d86a41bded4732dd00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28002b75e07d66c5fb1c79242ec54cd1.png)
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bad064cff6fc0c1e57ab12aa769128b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43909661a79f57cd15f66e3928f323f.png)
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2021-01-27更新
|
756次组卷
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5卷引用:云南省昆明市2021届高三上学期”三诊一模“摸底诊断测试数学(文)试题
名校
3 . 在平面直角坐标系xOy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
的极坐标方程为
.
(1)求曲线
的普通方程和曲线
的直角坐标方程;
(2)过点
的直线l依次与曲线
,
交于A,B,C,D四点,且
,求直线l的普通方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5e1a55579ca43d6fb75a93ad2237d7.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/4896a48a060a764236414e375bb58620.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.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/c9d659b0cc88dc0b7491d72f1a3da96d.png)
您最近一年使用:0次
4 . 以直角坐标系
的原点为极点,x轴的非负半轴为极轴建立极坐标系,并且在两种坐标系中取相同的长度单位.若将曲线
(
为参数)上每一点的横坐标变为原来的
(纵坐标不变),然后将所得图象向右平移2个单位,再向上平移3个单位得到曲线C.直线l的极坐标方程为
.
(1)求曲线C的普通方程;
(2)设直线l与曲线C交于A,B两点,与x轴交于点P,线段AB的中点为M,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fbd10225cd50f48ddecb3b4b9ef0102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ffd5c35bba71ea54c28622b6cf505d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77abfe7f2cfdae08a5c6f7bf8b85dfe6.png)
(1)求曲线C的普通方程;
(2)设直线l与曲线C交于A,B两点,与x轴交于点P,线段AB的中点为M,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d341082cc54b1cb7a790af9ec4a365d.png)
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2020-06-15更新
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5卷引用:云南省昆明市第一中学2020届高三考前第九次适应性训练数学(理)试题
解题方法
5 . 曲线C的极坐标方程为
,直线l经过点
,倾斜角
.
(1)求曲线C的直角坐标方程和直线l的参数方程;
(2)若M为曲线C上的一个动点,当M到l的距离最大时,求点M的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827c1ae2439d6999076aca302702bf5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdfda3e938db971d84e1318ee973fac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e2c8d466ab8eb5ecd38060b53bbe8c.png)
(1)求曲线C的直角坐标方程和直线l的参数方程;
(2)若M为曲线C上的一个动点,当M到l的距离最大时,求点M的坐标.
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2020-02-28更新
|
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2卷引用:2020届云南省曲靖市陆良县高三第一次摸底数学(理)试题
名校
6 . 已知极坐标系的极点为平面直角坐标系的原点,极轴与
轴的非负半轴重合.曲线
的极坐标方程是
,直线
的极坐标方程是
.
(1)求曲线
和直线
的直角坐标方程;
(2)设点
,直线
与曲线
相交于点
、
,求
的值.
![](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/85cba49f491d9b5969d971a7bb9a1dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5708218667d3d927e97830924b809f44.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab70e602f2e2e291df643ab209162.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77684b3856f797403b2040c5dc73c2ce.png)
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2020-01-07更新
|
1117次组卷
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7卷引用:2020届云南省昆明市高三元月三诊一模数学文试题
7 . 在平面直角坐标系xOy中,以O为极点,x轴的正半轴为极轴建立极坐标系
的极坐标方程为
,直线l的参数方程为
,(其中
为参数)直线l与
交于A,B两个不同的点.
求倾斜角
的取值范围;
求线段AB中点P的轨迹的参数方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2fe8bd1e92ccc9fde5c85ee0bbbcc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6fa9ef209a7872000fc1739e4b3730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b22cbfdc9a7b1805191685c1b9f284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edbe289ad89a4243903108709ce0381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1486450f300f451e711d2238eaca1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
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2019-04-12更新
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2卷引用:【市级联考】云南省保山市2019届普通高中毕业生市级统一检测理科数学试题