23-24高二上·上海·课后作业
1 . 分别画出下列极坐标方程和直角坐标方程的图形:
(1)极坐标方程
和直角坐标方程
;
(2)极坐标方程
和直角坐标方程
.
(1)极坐标方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f917a2022014d9c19c29eeac84c74e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(2)极坐标方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905dd10639c9fef5ef8d66a124756140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c63e1c64c42b7f3b7fdc396d4756cab.png)
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2 . “太极图”是关于太极思想的图示,其形状如对称的阴阳两鱼互抱在一起,也被称为“阴阳鱼太极图”.在平面直角坐标系
中,“太极图”是一个圆心为坐标原点,半径为
的圆,其中黑、白区域分界线
,
为两个圆心在
轴上的半圆,
在太极图内,以坐标原点为极点,
轴非负半轴为极轴建立极坐标系.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/24/cf8fafc0-b3cf-4970-98ad-3f6807fab2f1.png?resizew=196)
(1)求点
的一个极坐标和分界线
的极坐标方程;
(2)过原点的直线
与分界线
,
分别交于
,
两点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c54373fa62652ad075f41280e44a81b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/24/cf8fafc0-b3cf-4970-98ad-3f6807fab2f1.png?resizew=196)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)过原点的直线
![](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/23f3ffe7abc59e2f65d827c8eab8d36a.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/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
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2023-04-23更新
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5卷引用:江西省南昌市2023届高三二模数学(理)试题
江西省南昌市2023届高三二模数学(理)试题江西省南昌市2023届高三二模数学(文)试题四川省南部中学2023届高三下学期高考考前理科数学模拟训练(一)(已下线)专题20坐标系与参数方程(已下线)专题20坐标系与参数方程.
2023高三·全国·专题练习
3 . 将直角坐标方程与极坐标方程互化:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd63005c9bd42515572bc0369de49ba.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4efa582d432ed0cd30b965c4b64bb14a.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a4807ba4a3fe76541b21fa806b128b.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dbfecadc01cb40ac2f92ec5711e455c.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7b9b367715906d00901b8f79dc643ff.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557765cbdc94289410b806c470a04871.png)
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4 . 以双曲线
的左焦点为极点,x轴正方向为极轴方向(长度单位不变)建立极坐标系,求双曲线C的一条倾斜角为锐角的渐近线的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9efb02d672cf88d4c680cf585e1767.png)
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5 . 在极坐标系
中,已知曲线
与
相交于O,A两点.
(1)求
;
(2)将直线OA绕点O顺时针旋转
角,与
交于点O,B,将直线OA绕点O逆时针旋转
角,与
交于点O,C,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c7c3be7c3c822b41e6a482f175705b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28564fb3c5854f15b460feb217259c0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c388f1f7160d3397610633dfde015fa0.png)
(2)将直线OA绕点O顺时针旋转
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/202f0eb155d3b5eecff55509e342896f.png)
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2022-07-03更新
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3卷引用:河南省开封市2021-2022学年高二下学期期末数学文科试题
6 . 在极点为O的极坐标系中,经过点
的直线l与极轴所成角为
,且与极轴的交点为N.
(1)当
时,求l的极坐标方程;
(2)当
时,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bed13223845ffedbdb50c97a6227934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1676b17f3641daf630f709517d22d120.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36324a218b9298b078629f702e8adad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
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2022-05-06更新
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5卷引用:贵州省遵义市2022届高三第三次统一考试数学(理)试题
贵州省遵义市2022届高三第三次统一考试数学(理)试题贵州省遵义市2022届高三第三次统一考试数学(文)试题(已下线)押全国卷(文科)第22题 坐标系与参数方程-备战2022年高考数学(文)临考题号押题(全国卷)(已下线)文科数学-2022年高考考前20天终极冲刺攻略(四)(6月3日)(已下线)考向45坐标系与参数方程(重点)-1
7 . 已知点
、
的极坐标为
、
,直线
经过
、
两点,曲线
的极坐标方程为
,直线
与曲线
相交于
、
两点. 以极点为坐标原点,极轴为
轴的正半轴,建立平面直角坐标系
.
(1)求直线
的极坐标方程和曲线
的参数方程;
(2)求
.
![](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/171532ccbe6889c0532ac7d9fd99ff4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5517b9a8b9ec47d6ddd48a961a38e8ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cda90ec15c07139032c7fed43bcc385.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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8 . 以平面直角坐标系的原点为极点,
轴正半轴为极轴,建立极坐标系,两种坐标系中取相同的长度单位,设点
的极坐标为
,直线
过点
且倾斜角为
,圆
的极坐标方程为
.
(1)写出点
的直角坐标,直线
的标准参数方程,并把圆
的方程化为直角坐标方程;
(2)设直线
与圆
交于
、
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dfa01ada016e445e9d1f0af2da2013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b87454bbb4935421bc1ba124d31f5600.png)
(1)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843363e1d63e1e4b8a6bde5825ef5a4f.png)
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9 . (1)将极坐标
化为直角坐标;将点的直角坐标
化为极坐标.
(2)求曲线
的极坐标方程和曲线
的直角坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131056c5f04d447eb6c60e9c14969691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f93434c97ca8e77f57eef9a862078a.png)
(2)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b979396a703fb14715ba39232f5786a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d567aceed74eeb36098635a6b08a5d7a.png)
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