1 . 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)
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2020-07-12更新
|
195次组卷
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4卷引用:吉林省长春市第一中学2019-2020学年高二下学期期中考试数学(文)试题
2 . 在平面直角坐标系
中,直线l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
.
(1)求
的普通方程和C的直角坐标方程;
(2)直线
上的点
为曲线
内的点,且直线
与曲线
交于
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fab2552973721d0e8d246ff069c7f04.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/a75ac89a499284c072e8862d08e24120.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d903b1ff09e933b73ef0f75fc861dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/2c874dd7aac24f845ab5ab643ff93e28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-06-26更新
|
447次组卷
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2卷引用:吉林省实验中学2019-2020学年高二下学期期末考试数学(文)试题
3 . 已知曲线
的极坐标方程为
,以极点为平面直角坐标系的原点,极轴为
轴的正半轴,建立平面直角坐标系
.
(1)若曲线
:
(t为参数)与曲线
相交于两点
,
,求
;
(2)若
是曲线
上的动点,且点
的直角坐标为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094ab3a9f3a40f6fc88a4184371dc745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/454d4ca6e3cfaad24362882345e8a449.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/3f4dfec890cdfdda355e19463f3be813.png)
(2)若
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf99adccc80f28343fedd8d0aad7429.png)
您最近一年使用:0次
名校
解题方法
4 . 已知曲线
的极坐标方程为
,曲线
的参数方程为
(
为参数).
(1)求曲线
,
的普通方程并指出它们的形状;
(2)若点
在曲线
上,点
在曲线
上,求线段
长度的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8c71346c65c7a17ceba313f79fbc04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05f56a6a47f30708a1c6c789b76eeda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若点
![](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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2020-06-04更新
|
633次组卷
|
3卷引用:吉林省长春市第一中学2019--2020学年高二下学期期末考试数学(理)试题
名校
5 . 在直角坐标系
中,曲线
(
为参数),其中
.在以
为极点,
轴正半轴为极轴的极坐标系中,曲线
.
(1)求
的普通方程和
的直角坐标方程;
(2)若
与
相交于点
两点,点
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ceb97860e1f64884a205a2835cc9949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6b60aec15207d0c144c94f2ec428c2.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/01e88123b8ae80a4d6fd988b0e06f667.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae104d6d67d114b588a5680b124b0e45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d66fd8b309fd440ce9bda78a579c9.png)
您最近一年使用:0次
2020-05-08更新
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1192次组卷
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5卷引用:吉林省辽源市友好学校第七十届2020-2021学年高二上学期期末联考数学(理)试题
6 . 已知直线
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
.
(1)写出直线
的普通方程和曲线
的直角坐标方程;
(2)已知点
,直线
与曲线
相交于点
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78bbfe11a4f8314c3d9e1686324f8679.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/925b34a1e7a48f450d883f9a0197e5c9.png)
(1)写出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6951479694aec937a712901634a5a4b.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
您最近一年使用:0次
2020-04-22更新
|
1389次组卷
|
5卷引用:吉林省长春市农安县五校联考2020-2021学年高二上学期期末考试数学(理)A卷试题
名校
7 . 在平面直角坐标系
中,已知直线
(t为参数).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
的极坐标方程为
.
(1)求曲线
的直角坐标方程;
(2)设点
的直角坐标为
,直线
与曲线
的交点为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f436faf07bca3624d3e9de5c4204831c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87336632fa522b53e317d3e9c4f9a8e9.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed18bd80c6c4142f68e89f4ad44570b5.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/50c3028d7bc07acc1a8caa19bca712e6.png)
您最近一年使用:0次
2020-08-04更新
|
205次组卷
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16卷引用:吉林省梅河口市第五中学2019-2020学年高二5月月考数学(文)试题
吉林省梅河口市第五中学2019-2020学年高二5月月考数学(文)试题【全国百强校】黑龙江省鹤岗市第一中学2018-2019学年高二下学期期中考试数学(文)试题西藏林芝市第二高级中学2018-2019学年高二下学期期末考试数学(文)试题安徽省六安市舒城中学2019-2020学年高二上学期期末数学(文)试题贵州省思南中学2019-2020学年高二5月摸底数学(文)试题新疆昌吉市教育共同体2019-2020学年高二下学期期中考试数学(文)试题四川省武胜烈面中学校2019-2020学年高二下学期期中考试数学(文)试题江西省南昌大学附属中学2021-2022学年高二上学期期末考试数学(理)试题【市级联考】四川省广元市2019届高三第一次高考适应性统考数学试题(理工类)【市级联考】四川省广元市高三2019届第一次高考适应性统考数学试题(已下线)专题22 坐标系与参数方程-2020年高考数学(文)母题题源解密(全国Ⅲ专版)(已下线)专题22 坐标系与参数方程-2020年高考数学(理)母题题源解密(全国Ⅲ专版)甘肃省金昌市永昌县第一高级中学2020-2021学年高三上学期期中数学文科试题(已下线)专题13.2 参数方程 (精练)-2021年高考数学(理)一轮复习学与练甘肃省武威第六中学2021届高三上学期第一次过关考试(开学考试)数学(文)试题宁夏青铜峡市宁朔中学2024届高三上学期第四次月考数学(文)试题
名校
8 . 在平面直角坐标系xOy中,直线l的参数方程为
(t为参数),以原点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的普通方程和曲线C的直角坐标方程;
(2)已知点
,直线l与曲线C相交于AB两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f70e8705c53c460d3251a3f795e5647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f19c5cb583393a12f71173d87193260.png)
(1)求直线l的普通方程和曲线C的直角坐标方程;
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38b559f160470e4ae99634b95e2537c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a3f21d4d834ba5b8b80dd56732c136.png)
您最近一年使用:0次
2020-02-15更新
|
2683次组卷
|
11卷引用:吉林省梅河口市第五中学2019-2020学年高二4月月考数学(文)试题
吉林省梅河口市第五中学2019-2020学年高二4月月考数学(文)试题宁夏石嘴山市第三中学2019-2020学年高二6月月考数学(理)试题河南省南阳华龙高级中学2019-2020学年高二5月月考数学(文)试题内蒙古赤峰二中2022-2023学年高二下学期第二次月考数学(文)试题2020届重庆市康德卷高考模拟调研卷理科数学(二)2020届重庆市康德卷高考模拟调研卷文科数学(二)2020届高三2月第02期(考点14)(理科)-《新题速递·数学》黑龙江省大庆中学2020-2021学年高三10月月考数学(理)试题(已下线)第十五单元 不等式选讲(选讲)(B卷 滚动提升检测)-2021年高考数学(理)一轮复习单元滚动双测卷(已下线)第十四单元 不等式选讲(选讲)(B卷 滚动提升检测)-2021年高考数学(文)一轮复习单元滚动双测卷甘肃省嘉陵关市第一中学2020-2021学年高三下学期四模考试数学(理)试题
名校
解题方法
9 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数),将曲线
按伸缩变换公式
,变换得到曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求
的普通方程;
(2)直线
过点
,倾斜角为
,若直线
与曲线
交于
两点,
为
的中点,求
的面积.
![](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/bf648e35db861ebc00744b6625a559f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc23950308a0dfbe8ee8f717c4d71ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ca0313b09165aaf0c59d7aa431c6f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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2020-04-30更新
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9卷引用:吉林省长春市实验中学2019-2020学年高二下学期期中考试数学(文科)试卷
吉林省长春市实验中学2019-2020学年高二下学期期中考试数学(文科)试卷【市级联考】云南省昆明市2019届高三高考模拟(第四次统测)文科数学试题【市级联考】云南省昆明市2019届高三高考5月模拟文科数学试题2019届云南省昆明市高考模拟考试(第四次统测)理科数学(已下线)文科数学-2020年高考押题预测卷02(新课标Ⅲ卷)《2020年高考押题预测卷》(已下线)专题42 坐标系与参数方程-冲刺2020高考跳出题海之高三数学模拟试题精中选萃宁夏银川一中2022届高三上学期第六次月考数学(理)试题宁夏银川一中2022届高三上学期第六次月考数学(文)试题宁夏石嘴山市第三中学2022届高三第一次模拟考试数学(理)试题
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10 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数,
).点
是曲线
上的动点.以坐标原点
为极点,
轴正半轴为极轴建立极坐标系.
(1)求线段
的中点
的轨迹的直角坐标方程;
(2)若直线
的极坐标方程为
,求点
到直线
距离的最大值.
![](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/eb3f4f4b1252213598d258093a505f8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eec3e684af41f9ed4db5b931b9ccfb6.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fbaf6576de37f700a6cca7cd0b612f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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