名校
1 . 已知曲线
的极坐标方程为
,过极点
的直线
与曲线
交于
,
两点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7d7e35d49c28899de3032a10b9794e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b1873d4df560275029bc4b819488b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/ff7d7e35d49c28899de3032a10b9794e.png)
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解题方法
2 . 已知F是曲线
(
为参数)的焦点,则定点
与点F之间的距离![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb51b9591885e76530a5e2f4283a4db.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c67f143a0419ca54bb57326a66f2908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb51b9591885e76530a5e2f4283a4db.png)
您最近一年使用:0次
2022-05-10更新
|
246次组卷
|
3卷引用:河南省驻马店市环际大联考“逐梦计划”2021-2022学年高二下学期期中考试数学(文科)试题
3 . 在极坐标系中,圆
上的动点P到直线
的最短距离为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05babe8466af6fa859e5b316577aeedc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede78a08069da18280a50f5c4c64c5aa.png)
您最近一年使用:0次
4 . 过点
且平行于极轴的直线的极坐标方程是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a3ee61d0d7d3df4807a9691f203e48.png)
您最近一年使用:0次
解题方法
5 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),则曲线
的普通方程为________ .
![](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/e6156b0e7811d6591625cafc305b278c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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6 . 在极坐标系中,曲线
与
交
,
两点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e6bb6925b6e91a53ebaa800f4b1288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf89e94eb51129f144d9809ec290f7.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/88bee8e70f1fab639be1636c7bce0477.png)
您最近一年使用:0次
2021-07-09更新
|
324次组卷
|
2卷引用:河南省“领军考试”2020-2021学年高二期中考试文科数学试题
名校
7 . 在极坐标系中,点
到直线
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a3ee61d0d7d3df4807a9691f203e48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d992d70f08aa87aa83bafa65fde6d8.png)
您最近一年使用:0次
2019-07-04更新
|
1784次组卷
|
5卷引用:河南省新乡市河南师大附中实验学校2021-2022学年高二下学期期中考试数学文科试题
名校
8 . 如果
为椭圆
上的动点,
为椭圆
上的动点,那么
的最大值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b1e9335ee7fb16c2bc6f12aed687d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67589b8bd9ae00feb9af6db615aec66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3a9042010090900e8a4332940516dc.png)
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2019-03-16更新
|
608次组卷
|
2卷引用:【校级联考】河南省郑州市2018-2019学年下期期中高二年级八校联考试题文科数学试题
名校
9 . 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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10 . 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)
您最近一年使用:0次