1 . 曲线
上的点到直线
的最大距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13987334ab479085dc8939bebe942850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514fdbb5bb097926b912d672a95fdf70.png)
您最近一年使用:0次
2018-07-19更新
|
596次组卷
|
2卷引用:【全国市级联考】河南省鹤壁市2017-2018学年高二下学期期末考试(文科)数学试题
名校
2 . 在以
为极点的极坐标系中,曲线
和直线
相交于
两点.若
是等边三角形,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424c5b900604a324617eb4ac00443818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-07-13更新
|
247次组卷
|
2卷引用:【全国市级联考】河南省南阳市2017-2018学年高二下学期期末考试数学(文)试题
解题方法
3 . 过椭圆
(
为参数)的右焦点作一直线交椭圆于
、
两点,若
,则该直线斜率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c546d0938e6c3e2969bbb495512427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.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/f7af2bd534d4fae3779bc0468b236415.png)
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名校
4 . 以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,已知曲线
的极坐标方程为:
,则在直角坐标系下,曲线
的方程为__________ .
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e672a05b8f54f59f3c6615d1bc3e106.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
5 . 以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,已知曲线
的极坐标方程为
,则在直角坐标系下曲线
的方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701f3b0e2bedfe5195443459072d798e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d36b89d8bff3a0e0718f0d97066ee61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
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