名校
1 . 在平面直角坐标系xOy中,曲线
的参数方程为
(t为参数),点
.以O为极点,x轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
,射线l的极坐标方程为
.
(1)写出曲线
的极坐标方程;
(2)若l与
,
分别交于A,B(异于原点)两点,求△PAB的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a943b76240de530dbbedd1e3d871001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af74113f38fffeed8075e57d7f9d2533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b80024f36b7b8604522ba11a6ca129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44670943f3d1ba89787b7cd2060d87ac.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若l与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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2023-05-06更新
|
1331次组卷
|
8卷引用:贵州省铜仁市2023届高三适应性考试(二)数学(理)试题
解题方法
2 . 已知直线
(
为参数,
),圆
:
(极轴与
轴的非负半轴重合,且单位长度相同).
(1)若
,求圆心
到直线
的距离;
(2)若直线
被圆
截得的弦长为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25fd1c69ae4860f1cbd83f214d96b443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817e9e75925a8872149dba15c931b6b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若直线
![](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/3bc3aaad905bb6ce8bd82cf68ef275e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
3 . 已知极坐标系的极点在直角坐标系的原点处,极轴与x轴的正半轴重合,直线l的极坐标方程为
,曲线C的参数方程是
(t是参数).
(1)求直线l及曲线C的直角坐标方程;
(2)求直线l被曲线C截得弦
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17605f99b321b376eec1a423d8b109f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be93f8bfafdb7aada2a686eebe57a2e.png)
(1)求直线l及曲线C的直角坐标方程;
(2)求直线l被曲线C截得弦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2023-01-18更新
|
305次组卷
|
2卷引用:贵州省铜仁市2023届高三上学期期末质量监测数学(文)试题
4 . 在平面直角坐标系
中,直线
的参数方程为
(
为参数),以坐标原点为极点,
轴的非负半轴为极轴的极坐标系中,曲线
的极坐标方程为
(
),直线
与曲线
交于
、
两点.
(1)求曲线
的直角坐标方程及直线
的普通方程;
(2)设点
,若
,
,
成等比数列,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f2f6965cff366295ebb87ca137ba8a.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/ddc7986ae458e64f9672f778e9910cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.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)
(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/3db8d75fe9cf3764bc4b2dc356c348d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffbd97467518d309bffa46df98f3fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c3b1990466dff7ae4aee764ccc2dd6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
2021-09-11更新
|
613次组卷
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2卷引用:贵州省铜仁市思南中学2021届高三第十次月考数学(文)试题
5 . 在平面直角坐标系xOy中,曲线
的参数方程为
(
,a为参数)以O为极点,x轴的非负半轴为极轴建立极坐标系,曲线
(如图所示).
![](https://img.xkw.com/dksih/QBM/2021/2/27/2666927134834688/2668381271285760/STEM/1703b92f15074bb895cb9219f5f7758b.png?resizew=265)
(1)若
,求曲线
的极坐标方程并求曲线
与
交点的直角坐标;
(2)已知曲线
既关于原点对称,又关于坐标轴对称,且曲线
与
交于不同的四点A,B,C,D,求矩形ABCD面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9094cf54dbb88de4715644203b1f6d0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c9ac405301d3c27523ee19ba415315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fb69984cdae1c03d68644517b61a04.png)
![](https://img.xkw.com/dksih/QBM/2021/2/27/2666927134834688/2668381271285760/STEM/1703b92f15074bb895cb9219f5f7758b.png?resizew=265)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18bb8cda96502e6a066f2e3573c1c5ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
2021-03-01更新
|
420次组卷
|
6卷引用:贵州省铜仁市2021届高三适应性考试(一)数学(理)试题
6 . 已知直线
的参数方程是
(
为参数),在平面直角坐标系中,以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程是
.
(1)将曲线
的极坐标方程化为直角坐标方程,直线
的参数方程化为普通方程;
(2)已知点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
,若直线
与曲线
交于
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1893a54604df175280d4f705f8439673.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/cb7d96c2047d774cc6ca7bef7b915a9c.png)
(1)将曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.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/3979f27823cdcba516dfa885d8afe19d.png)
您最近一年使用:0次
7 . 在平面直角坐标系xOy中,以原点O为极点,x轴的非负半轴为极轴建立极坐标系,曲线
极坐标方程为
,曲线
的参数方程为
(
为参数),若曲线
与
相交于
、
两点.
(1)求曲线
、
的直角坐标方程;
(2)求点
到A,B两点的距离之积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7521b3231344bcfd1973beab693101b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56a79b06fb58ea7c1ef4616468accaa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99296bab1b42898e7ca336a822510258.png)
您最近一年使用:0次
2020-10-10更新
|
251次组卷
|
2卷引用:贵州省思南中学2021届高三上学期第二次月考数学(理)试题
8 . 在极坐标系
中,曲线
的极坐标方程为
,直线
的极坐标方程为
,设
与
交于
两点,
中点为
,
的垂直平分线交
于
.以
为坐标原点,极轴为
轴的正半轴建立直角坐标系
.
(1)求
的直角坐标方程与点
的直角坐标;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42137d6ea5076b1385940d3450b8d087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72339e813823a31e3436cf7290af5881.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.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/7ee31829d0d4d5f779a957d7df8058ab.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87482d4cc8571f6836c3638d6aeb9fed.png)
您最近一年使用:0次
2020-08-16更新
|
420次组卷
|
15卷引用:贵州省思南中学2023届高三数学模拟试题
贵州省思南中学2023届高三数学模拟试题2020届四川省宜宾市高三第二次诊断测试理科数学试题2020届四川省宜宾市高三第二次诊断检测数学(文科)试题广东省广州市天河外国语学校2019-2020学年高三下学期线上测试数学(理)试题河南省大联考2020届高三阶段性测试(七)理科数学试题河南省6.18大联考2019-2020学年高中毕业班阶段性测试(七)文科数学试题2020届河北省保定市易县中学高三模拟数学(文)试题2020届河北省保定市易县中学高三模拟数学(理)试题(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Ⅱ专版)(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Ⅱ专版)安徽省怀远一中、蒙城一中、淮南一中、颍上一中、涡阳一中2020届高三5月五校联考数学理科试题(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Ⅰ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Ⅰ专版)四川省宜宾市叙州区第一中学校2019-2020学年高二下学期第四学月考试数学(理)试题四川省宜宾市叙州区第一中学校2019-2020学年高二下学期第四学月考试数学(文)试题
9 . 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轴正半轴为极轴建立极坐标系,曲线C的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bddf0b3db29426b5f1c396736b7f667.png)
(1)求直线l的普通方程和曲线C的直角坐标方程;
(2)若直线l与曲线C相交于A,B两点.求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5163d4278ddbca59af2b1b511e59b01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bddf0b3db29426b5f1c396736b7f667.png)
(1)求直线l的普通方程和曲线C的直角坐标方程;
(2)若直线l与曲线C相交于A,B两点.求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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2020-03-19更新
|
511次组卷
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5卷引用:2020届贵州省铜仁市高三第二次模拟考试试卷文科数学试题
2020届贵州省铜仁市高三第二次模拟考试试卷文科数学试题2020届贵州省铜仁市高三第二次模拟考试试卷理科数学试题2020届河南省顶级名校高三上学期开学摸底考试数学(理)试题2020届河南省顶级名校高三上学期开学摸底考试数学(文)试题(已下线)必刷卷01-2021年高考数学(文)考前信息必刷卷(新课标卷)
名校
10 . 在直角坐标系
中,直线
的极坐标方程为
,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.
(1)求圆
的极坐标方程;
(2)记
与圆
的两个不同交点为
,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/35c7afba7fa24b295454141892a5a986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ede24b486ef72a256074647341ade6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)记
![](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/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
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