1 . 在极坐标系中,直线
的极坐标方程为
,M是
上任意一点,点P在射线OM上,且满足
,记点P的轨迹为
.则曲线
的极坐标方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ef48f49822d0eabac3bcf416946338.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82dc693ff519f8db2afe99bb220eb431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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2 . 在极坐标系中,动点
从
出发,沿极轴
方向做匀速直线运动,速度为
,同时极轴
绕极点
按逆时针方向做等角速度旋转,角速度为
.则动点
的极坐标方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f50eb5fca7d0cd367d616742161a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d789eb81c3f3e241ba54e003f1659fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d99ef937823db2d4d3b1ae5af609eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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3 . 在极坐标系中,分别作出下列各点,并说明这些点有什么关系?
(1)
、
、
、
、
;
(2)
、
、
、
、
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26b6ea70eebe4b44915dfad6ddd5c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0afd749269a8021d17a0ea5fbbab0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed038f262b190896377860da3826fe6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0af7c7ee940ad355c24b21749dcf0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c90873031ebc847195d0ea8e1f4e57.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f92e4d44c7391872cf29cc706168f86f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f92078c945d62f2ab38f82abb2b4fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef18b36f7ef0651860ca0b67b2eb5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/112327cf24331337b8021f5351e11847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff82b208f7bbb9ec3443097b8c290998.png)
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4 . 如图,在极坐标下,点P的极坐标为______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/7/db3ecd08-736d-4b18-8a9b-c8b59620bff9.png?resizew=149)
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5 . 极坐标系中,若等边
的两个顶点
、
,那么顶点
的极坐标可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b927aff21a0d10f4f7f1abfbff598a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d165a6c13b86326e73c1bc5124273bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 数学中有许多寓意美好的曲线,在极坐标系中,曲线
被称为“三叶玫瑰线”(如图所示).则以极点为圆心的单位圆与三叶玫瑰线交点的极坐标为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/18/2297ffab-50b6-4180-9d6d-7289a39bb8cf.png?resizew=329)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f69906da6b940b5d697f11b755a56ea1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/18/2297ffab-50b6-4180-9d6d-7289a39bb8cf.png?resizew=329)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 写出一个与
表示极坐标系中同一个点的极坐标______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a3ee61d0d7d3df4807a9691f203e48.png)
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8 . (1)判断在同一极坐标系中,点
与点
的位置关系;
(2)判断在同一极坐标系中,点
与点
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22c2abffe07000fd146da44182bc4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b6a61490e3a81aea8f10b750fe9bf19.png)
(2)判断在同一极坐标系中,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22c2abffe07000fd146da44182bc4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f27a2db44e41ded849422ffc2610e8.png)
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9 . 极坐标系中,点A的极坐标是
.
(1)分别写出点A关于极轴、极点和直线
对称的点的极坐标;
(2)请自己选一个对称点或对称轴,写出点A关于它对称的点的极坐标.(注:(规定
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/419b75e7aa6140d4dd9cdc33fd181fee.png)
(1)分别写出点A关于极轴、极点和直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b884569a4fc1803762f3036043e22933.png)
(2)请自己选一个对称点或对称轴,写出点A关于它对称的点的极坐标.(注:(规定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7026315511e1afd55a97b5278b0dd2cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f687593cb4ecef31667bf2320fdfe000.png)
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10 . 在极坐标系中,已知点
,
,则段PQ的中点M的极坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a6e70ca48042ec4e19676561c68151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7622da2418f97125659c3301af847389.png)
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