1 . 在直角坐标系xOy中,曲线C的参数方程为
(其中
为参数).以坐标原点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
.
(1)求直线l的直角坐标方程和曲线C的普通方程;
(2)已知点
,直线l与曲线C交于M,N两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b63545dd7224e0ba29aa76f763f6da85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4f020e7f5de31b6b4967a2810b3be8.png)
(1)求直线l的直角坐标方程和曲线C的普通方程;
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab70e602f2e2e291df643ab209162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82917a85af3499c0b6400b26abce2f2f.png)
您最近一年使用:0次
解题方法
2 . 在直角坐标系
中,曲线C的参数方程为
(a为参数),直线
的参数方程为
(t为参数).
(1)求C和
的直角坐标方程;
(2)若曲线C截直线
所得线段的中点坐标为
,求
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4590b86be57e1cddadab04f38c585621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1c85043ab723ec0e7a8655597c36b8.png)
(1)求C和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若曲线C截直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2828feafa861942ce3b395c066eb94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2024-01-20更新
|
174次组卷
|
2卷引用:青海省西宁市大通县2024届高三上学期期末数学(理)试题
3 . 在直角坐标系
中,圆
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,圆
的极坐标方程是
.
(1)在直角坐标系中,若直线
经过点
且与圆
和圆
的公共弦所在直线平行,求直线
的极坐标方程;
(2)若射线
与圆
的交点为
,与圆
的交点为
,线段
的中点为
,求
的周长.
![](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/8e55b035e6e99b21d1e169c03e523875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.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/69cf89e94eb51129f144d9809ec290f7.png)
(1)在直角坐标系中,若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69abe959988e4c8c0739f5857ccfb0f.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)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5e58900c7d393263c1d420a0d99993.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d6c0b1e09f546c5ce77316daa8050f.png)
您最近一年使用:0次
2023-08-03更新
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167次组卷
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4卷引用:青海省西宁市2024届高三上学期期末联考数学(文)试题
4 . 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P是曲线C上的动点,求点P到直线l距离的最大值,并求此时点P的坐标.
![](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/137e76e5282dea17a86629398dafe496.png)
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)若P是曲线C上的动点,求点P到直线l距离的最大值,并求此时点P的坐标.
您最近一年使用:0次
2022-06-07更新
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1239次组卷
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8卷引用:青海省2022届高三第四次模拟考试理科数学试题
5 . 已知曲线
的参数方程为
(
为参数),曲线
的参数方程为
(t为参数),以坐标原点O为极点,x轴的正半轴为极轴建立极坐标系.
(1)求曲线
和曲线
的极坐标方程;
(2)射线
与曲线
和曲线
分别交于A,B两点,已知点
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27140ded06b497cfd728931afcd3b0ab.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/b6585da89663e8474449f1e4c6ef89e6.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b8acf66d8fe61a7998ddcc0168e5462.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/99296bab1b42898e7ca336a822510258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
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2022-01-18更新
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743次组卷
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2卷引用:青海省西宁市三县2021-2022学年高三上学期期末数学文科试题
解题方法
6 . 已知直线
:
(
为参数),圆
:
(
为参数).
(1)若直线
经过点
,求直线
的普通方程;若圆
经过点
,求圆
的普通方程;
(2)点
是圆
上一个动点,若
的最大值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261c6897dacd171eb2ac6aa27151c7a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e660a5c2955501f9246abd607fad0eb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ff13979c8b93a87db619586f155439.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/6472efc03bf351cf2711183eb22b1369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b2d9c8e953c3131ced4640367c1ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2022-01-13更新
|
168次组卷
|
2卷引用:青海省西宁市2021-2022学年高三上学期期末联考数学(理)试题
名校
7 . 在平面直角坐标系
中,直线l的参数方程为
(t为参数).以坐标原点O为极点,x轴的正半轴为极轴,建立极坐标系,曲线C的极坐标方程为
.
(1)求直线l和曲线C的直角坐标方程;
(2)若点P为曲线C上任意一点,求点P到直线l的距离的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ec27872ee205f7f6a6e62e60aadea37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff0d5750d9f747aa93f12a0408672cac.png)
(1)求直线l和曲线C的直角坐标方程;
(2)若点P为曲线C上任意一点,求点P到直线l的距离的最大值.
您最近一年使用:0次
2021-01-17更新
|
343次组卷
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6卷引用:青海省西宁市大通回族土族自治县2020-2021学年高三上学期第一轮复习期末联考数学(理)试题
2014·福建福州·一模
名校
解题方法
8 . 在平面直角坐标系
中,以
为极点,
轴非负半轴为极轴建立极坐标系,已知曲线
的极坐标方程为
,直线l的参数方程为:
(
为参数),两曲线相较于
,
两点.
(Ⅰ)写出曲线
的直角坐标方程和直线l的普通方程;
(Ⅱ)若
,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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00999b9a5320bad39b04ad762aa71a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2efa0e77288e1431e37ad10f87f817f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(Ⅰ)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/295b9e41a8dbacb1c1fa6a00e7cc0324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3500c065a917ca511dd1561678c6cd.png)
您最近一年使用:0次
2020-09-16更新
|
234次组卷
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17卷引用:青海省西宁市普通高中五校2020-2021学年高三上学期期末联考数学(理)试题
青海省西宁市普通高中五校2020-2021学年高三上学期期末联考数学(理)试题(已下线)2014届福建省福州市高三毕业班质检理科数学试卷2016届陕西省西安市一中高三下学期第一次模拟理科数学试卷2016届陕西省西安市一中高三下学期第一次模拟文科数学试卷安徽省黄山市2018届高三一模检测数学(理)试题(已下线)二轮复习【文】专题18 坐标系与参数方程 押题专练广西钦州市第一中学2021届高三8月月考数学(文)试题智能测评与辅导[理]-极坐标与参数方程(已下线)2013-2014学年山西省广灵第一中学高二下学期期末考试文科数学试卷2015-2016学年云南玉溪一中高二下期中理科数学试卷河北省石家庄市第二中学2016-2017学年高二下学期期末考试数学(文)试题福建省泉港一中2016-2017学年高二年下学期期中考文科数学试题河北省石家庄二中2016-2017学年高二下学期期末考试数学(文)试题【全国百强校】湖南省岳阳市第一中学2017-2018学年高二下学期期末考试数学(理)试题安徽省泗县第一中学2018-2019学年高二下学期第三次月考数学(文)试题吉林省白城市洮南市第一中学2019-2020学年高二第二次月考数学(文科)试卷西藏自治区山南市第二高级中学2019-2020学年高二下学期期末考试数学(理科)试题
名校
解题方法
9 . 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:青海省西宁市普通高中五校2020-2021学年高三上学期期末联考数学(文)试题
10 . 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),以坐标原点为极点,
轴非负半轴为极轴建立极坐标系.
(1)求
的极坐标方程;
(2)设点
,直线
与曲线
相交于点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6858e61a05eaff4c7c399523ccc1342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76ef289afcfe810604f32910909b807.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0bea681006f614f8a070e9c6a942c04.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)
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5卷引用:青海省西宁市海湖中学2022-2023学年高三上学期期末考试数学(理)试题