1 . 已知圆
和圆
的极坐标方程分别为
,
.
(1)求两圆的直角坐标方程;
(2)求经过两圆交点的直线的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f917a2022014d9c19c29eeac84c74e2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2686b716ef6d2b7830b0757c8880b40a.png)
(1)求两圆的直角坐标方程;
(2)求经过两圆交点的直线的极坐标方程.
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解题方法
2 . 数学中有许多美丽的曲线,如在平面直角坐标系xOy中,曲线E:
(如图),称这类曲线为心形曲线.以坐标原点O为极点,x轴的正半轴为极轴建立极坐标系,当
时,
(1)求E的极坐标方程;
(2)已知P,Q为曲线E上异于O的两点,且
,求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3478c8546e3120d03ce4d039499f795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/3/c862c8d9-a453-4169-8bb3-05a598f686f7.png?resizew=151)
(1)求E的极坐标方程;
(2)已知P,Q为曲线E上异于O的两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ffe69ab39492e018a51e21b52dd0fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
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2023-09-03更新
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7卷引用:新疆乌鲁木齐市第七十中学2023届高三上学期期中数学(理)试题
新疆乌鲁木齐市第七十中学2023届高三上学期期中数学(理)试题四川省雅安市2023届高三零诊考试数学(理)试题四川省雅安市2023届高三零诊考试数学(文)试题(已下线)第01讲 极坐标与参数方程(练)(已下线)安徽省江南十校2022届高三下学期3月一模理科数学试题变式题21-23江西省鹰潭市2023届高三高考一模数学(理)试题四川省成都市成华区某校2023-2024学年高三上学期10月月考文科数学试题
3 . 在极坐标系中,圆
的圆心的极坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7d96c2047d774cc6ca7bef7b915a9c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3卷引用:新疆和田地区皮山县高级中学2021-2022学年高二下学期期末考试数学(文)试题
4 . 在极坐标系下,已知圆O:
和直线l:
.
(1)求圆O和直线l的直角坐标方程;
(2)当
时,求直线l与圆O公共点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219b3e5972e28e8d06937b081689f476.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11535c377a3bc9a74d9a3c0ae7f8c123.png)
(1)求圆O和直线l的直角坐标方程;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3caed74a0f657fc5b04d43a7106cfb4.png)
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5 . 极坐标系中,过点
且与极轴垂直的直线方程(普通方程或极坐标方程)为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e61557fd84faef70f453fcfb6844fc0.png)
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6 . 极坐标方程分别为
和
的两个圆的圆心距是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95777c97cd8a69c05fb01595918f4c1c.png)
A.3 | B.1 | C.![]() | D.![]() |
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2卷引用:新疆维吾尔自治区和田地区第二中学2022-2023学年高二上学期12月月考数学试题
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7 . 以直角坐标系的原点O为极点,x轴的非负半轴为极轴,建立极坐标系,并在两种坐标系中取相同的长度单位.已知圆
和圆
的极坐标方程分别是
和
.
(1)求圆
和圆
的公共弦所在直线的直角坐标方程;
(2)若射线
:
与圆
的交点为O、P,与圆
的交点为O、Q,求
的值.
![](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/925b34a1e7a48f450d883f9a0197e5c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdebedd02b4ea57f8562443742086d3.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734a6a1d319648bb969845a9159cdba7.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/6bab77b1212086d7b16e288f73a09560.png)
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8卷引用:新疆伊犁州霍尔果斯市苏港中学2023届高三上学期11月月考文科数学试题
8 . 如图,过定点
作直线交y轴于Q点,过Q作
交x轴于P点,在
的延长线上取点M,使
.当直线
变动时,求点M的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4f47d96c5e431a610c2c35bd6c7353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf86dfdc686b1dfa9907a8b118702b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e5ff817d52da027745b2a135ac62dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://img.xkw.com/dksih/QBM/2021/4/26/2708156199829504/2792965605548032/STEM/4cf832df-897d-45d6-a182-4be739536292.png?resizew=282)
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9 . 在平面直角坐标系
中,以坐标原点为极点,x轴正半轴为极轴建立极坐标系,曲线
,曲线
.
(1)求曲线
与
的直角坐标方程;
(2)若直线
的极坐标方程为
,设
与
和
的交点分别为M,N,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3814d9598a1b706c22c578bb56856575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf453240c62e210ad525427f8ecf0724.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd8754684b9353946fbce47e2b367008.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab94459e87c666facddbe1a23ae1899d.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/084cf5ffced059f5653ee2a1023518b7.png)
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2021-08-15更新
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432次组卷
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5卷引用:新疆石河子第一中学2022届高三8月月考数学(文)试题(A卷)
10 . 在直角坐标系
中,曲线
:(x-1)2+y2=1以
为极点,
轴的非负半轴为极轴建立极坐标系
(1)求曲线
的极坐标方程;
(2)直线
的极坐标方程是
,射线
与曲线
的交点为
,与直线的交点为
,求线段
的长.
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1916ee85c3fc62a8b72f89a3bbea38e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88064225795a97a2cb12a1e2c8d0b024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db36b4497b911bc047253b832ae01c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76b1113864968119e61aeee9ba9c613b.png)
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