1 . 在极坐标系中,已知圆C的圆心
,半径r=4,则圆C的极坐标方程为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae9bb0207a453367ccef89f7d4081b8.png)
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2 . 曲线
的参数方程为
(
为参数),
是曲线
上的动点,若曲线
极坐标方程
,则点
到
的距离的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd1071b74fe6b968b9ce5bdd48307a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c43b833a69fa3a711b9d177f1725ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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2018-05-24更新
|
357次组卷
|
2卷引用:【全国百强校】山东省济宁市第一中学2017-2018学年高二下学期期中考试数学(文)试题
解题方法
3 . 若直线
的参数方程为
(
为参数),则直线
倾斜角的余弦值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fba25f4354da3fe50672b613170536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2018-05-14更新
|
914次组卷
|
2卷引用:【全国校级联考】山东省济宁市微山一中、邹城一中2017-2018学年高二下学期期中考试数学(文)试题
名校
4 . 点
的直角坐标为
,若
,则点
的极坐标是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75557f3bc681f2d68ea2b3b0e9d1b66f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd94ef1de5e36421aafcc918bc4eb29b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a28be4d5a16cf245f6fa7c4088fee4.png)
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2013·广东揭阳·一模
名校
5 . 已知曲线
:
和曲线
:
,则
上到
的距离等于
的点的个数为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2057eea69f30c8e526f04602fe314c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ea865f30a8d5b59034f535687e22df.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/cf298f00799cbf34b4db26f5f63af92f.png)
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