1 . 在极坐标系中,直线
被曲线
所截得的弦长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c3812c12714bf01c0f57e7bb7ebf75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f5628d43538bd9c1c98e4fc78ee422.png)
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2 . 在极坐标系中,已知两点
,
,则
,
两点间的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188c0a90933975fb97733e943410cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e427e6d7c50d274fc4d35d8a1cc71847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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3 . 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:
,曲线
的极坐标方程为:
,则曲线
上的点到曲线
距离的最大值为__________ .
![](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/5f02f7c50f96ee307f9987835da09fb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366d11e34429b1c54d82177a87300ee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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4 . 在极坐标系中,直线
的方程为
,则点
到直线
的距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d2531c6220493623e7da5a590dc8c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069c904e0a752de6c7c8fc564d959518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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5 . 已知直线
的参数方程为
(
为参数),曲线
的参数方程为
(
为参数) 则它们公共点的坐标为________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9bdfe2f9451730a6c0d097396b1a407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6f776a4b74a8206080ab284708ea40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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6 . 点P在椭圆7x2+4y2=28上,则点P到直线3x-2y-16=0的距离的最大值为________
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名校
7 . 曲线C的参数方程为
(
为参数),则曲线C的普通方程为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3220ee7c4f827c0c67f69994fea64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2018-08-20更新
|
496次组卷
|
3卷引用:福建省莆田市莆田第六中学2017-2018学年高二下学期期中考试数学(B)试题
名校
8 . 在平面直角坐标系中,由变换
的作用下,直线
变成直线
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1317437eadcb9ac5d83aaeb3cd8e70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c294addf430488f632a664674043353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bc6d1ec0778ec9088ebad60df8011ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
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名校
9 . 将点的极坐标
化为直角坐标为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dfa01ada016e445e9d1f0af2da2013.png)
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2017-10-07更新
|
739次组卷
|
8卷引用:【校级联考】福建省上杭县第一中学等六校2018-2019学年高二下学期期中考试数学(文)试题
10 . 已知曲线
的参数方程是
(
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,
,
的极坐标分别为
,
.设
为曲线
上的动点,过点
作一条与直线
夹角为
的直线
交直线
于点
,则
的最大值是_________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8b819b4f8b073408cae9e21a3e20890.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8dbc57290ee26d5136f3fe4a9f18e77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab7a4f1204a2bc818ecc5d8d4f352513.png)
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![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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