1 . 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)设点
,直线l交曲线C于A,B两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32a753e059b81bf840c4a60045fb0ecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408c977e242c5500f384acf957d5471d.png)
(1)求直线l的普通方程和曲线C的直角坐标方程;
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bacfc149ede71417fa599c21b5a84cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063f4f4ce1d9822e9d5144ca0fc83979.png)
您最近一年使用:0次
2022-02-04更新
|
1446次组卷
|
3卷引用:安徽省芜湖市2021-2022学年高三上学期期末文科数学试题
名校
2 . 在直角坐标系
中,直线
经过定点
,倾斜角为
.以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,圆
的极坐标方程为
.
(1)求
的极坐标方程和
的直角坐标方程;
(2)设
与
的交点为
,
,求
的面积.
![](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/455ba3d3e46977fcbe5b71f8bb9df4be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.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/5054c1fa9473bea807356637ad9c2100.png)
(1)求
![](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/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/12225a1a1eda07908309f8100cc34726.png)
您最近一年使用:0次
2021-09-10更新
|
948次组卷
|
3卷引用:内蒙古海拉尔第一中学2022-2023学年高二下学期期末考试数学(文)试题
3 . 在极坐标系中,
,
,
,以极点O为原点,极轴为x轴的正半轴,建立平面直角坐标系,已知直线1的参数方程为
( t为参数,
),且点P的直角坐标为
.
(1)求经过O,A,B三点的圆C的直角坐标方程;
(2)求证:直线l与(1)中的圆C有两个交点M,N,并证明
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93c06de0f8db44588f6e03bfb88bf3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70ef087f36061306cc6ffd37065850e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b682c1cf1c4eac10fdd3533b9f07a978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb66f4db41478c23128adc14f2796556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c7b74fd862d7e3f35e40ae1f626c4c.png)
(1)求经过O,A,B三点的圆C的直角坐标方程;
(2)求证:直线l与(1)中的圆C有两个交点M,N,并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79188647c574441c2414c3781a0ef543.png)
您最近一年使用:0次
2021-01-29更新
|
1474次组卷
|
6卷引用:贵州省贵阳市2021届高三上学期期末检测考试数学(理)试题
贵州省贵阳市2021届高三上学期期末检测考试数学(理)试题贵州省贵阳市普通中学2021届高三上学期期末监测考试数学(文)试题(已下线)专题29 坐标系与参数方程(解答题)-2021年高考数学(理)二轮复习热点题型精选精练(已下线)专题27 坐标系与参数方程(解答题)-2021年高考数学(文)二轮复习热点题型精选精练(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)四川省绵阳南山中学2023届高三下学期4月绵阳三诊热身考试文科数学试题
4 . 在平面直角坐标系xOy中,已知直线l过点
且倾斜角为60°,曲线C的参数方程为
(
为参数).
(1)以原点为极点,x轴非负半轴为极轴且取相同的单位长度建立极坐标系,求曲线C的极坐标方程;
(2)求直线l被曲线C所截得的线段的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4c4c9cf8f0bd3f84fdc5bae0aa65b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)以原点为极点,x轴非负半轴为极轴且取相同的单位长度建立极坐标系,求曲线C的极坐标方程;
(2)求直线l被曲线C所截得的线段的长度.
您最近一年使用:0次
2020-11-28更新
|
1580次组卷
|
11卷引用:安徽省宣城市2020-2021学年高三上学期期末数学(理)试题
安徽省宣城市2020-2021学年高三上学期期末数学(理)试题安徽省宣城市2020-2021学年高三上学期期末数学(文)试题广西北海市2021届高三第一次模拟考试数学(文)试题广西北海市2021届高三第一次模拟考试数学(理)试题(已下线)考点59 坐标系与参数方程-备战2021年高考数学(理)一轮复习考点一遍过(已下线)考点51 坐标系与参数方程-备战2021年高考数学(文)一轮复习考点一遍过(已下线)专题16 极坐标与参数方程-2021年高考冲刺之二轮专题精讲精析江西省上高二中2021届高三年级第七次月考数学(理)试题江西省赣州市南康区唐江中学2021届高三3月综合性考试数学(文)试题广西资源县民族中学2021-2022学年高二下学期第二次月考数学(文)试题陕西省西安市西北大学附属中学2020-2021学年高二下学期4月月考理科数学试题
5 . 在平面直角坐标系
中,以
为极点,
轴的正半轴为极轴,建立极坐标系,曲线
的参数方程为
(
为参数),曲线
的参数方程为
(
为参数),曲线
,
交于
、
两点.
(1)求曲线
的极坐标方程和曲线
的普通方程;
(2)已知
点的直角坐标为
,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/22e61bc005a08378ce835ce477ebd867.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/b820e0a8d8e3d673079456b8b1bd1112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fa4e7296c15be683f5b6d4256ae285a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
您最近一年使用:0次
2020-10-08更新
|
771次组卷
|
9卷引用:吉林省长春市第二十中学2019-2020学年高二下学期期末数学(文)试题
6 . 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)
您最近一年使用:0次
2020-08-14更新
|
815次组卷
|
4卷引用: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(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)试题安徽省黄山市2020届高三第二次质量检测数学(文)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
解题方法
7 . 在直角坐标系
中,直线
的参数方程为
(
为参数),直线
的参数方程为
(
为参数).设
与
的交点为
,当
变化时,
的轨迹为曲线
.
(1)求
的普通方程;
(2)设
为圆
上任意一点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf8cc4391a77b92d97a67d912c72efb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05baeb0c0fb607e7d845b843159df5f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e721980cf3aa4e535e42a599de2f08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
您最近一年使用:0次
2020-06-05更新
|
891次组卷
|
5卷引用:陕西省汉中市城固县2020-2021学年高三上学期期末调研检测文科数学试题
8 . 在平面直角坐标系
中,直线
的参数方程为
(
为参数,
),在以坐标原点为极点,
轴正半轴为极轴的极坐标系中,曲线
的极坐标方程为
.
(1)求曲线
的直角坐标方程;
(2)设点
的坐标为
,直线
与曲线
相交于
,
两点,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/d0c35d15c37f54ec2d1643459d3c4679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10adc3992efb2badc23f81d36faa206f.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/a45d1bff285b23d99db3225541823be0.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/1d7a999c36de5c9a9ce876a4a56fa34c.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/5026e1d5fcf2498b2e5ec5da4e0b11b2.png)
您最近一年使用:0次
2020-05-01更新
|
472次组卷
|
7卷引用:宁夏平罗中学2021届高三上学期期末考试数学(理)试题
名校
解题方法
9 . 已知
为椭圆
上的任意一点,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4e28d8a9c02bb06f9f67dc897e2451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1baab74a43dabfac36cf52b15bebe9f.png)
您最近一年使用:0次
2020-04-24更新
|
561次组卷
|
7卷引用:江苏省徐州市2018-2019学年高二下学期期末理科数学试题
10 . 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)
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2020-04-22更新
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1388次组卷
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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