名校
1 . 椭圆
经过
变换后所得曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
的焦点坐标为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdfa8e3d36d88de8c35ac6182e58d767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af773e9fadbc0b33ce67180c26f730e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ef73bd07011d88bab2e4223b2631af.png)
您最近一年使用:0次
2020-05-02更新
|
593次组卷
|
2卷引用:内蒙古集宁一中西校区2019-2020学年高二下学期期中考试数学(理)试题
名校
2 . 已知点
,则它的极坐标是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10735500d5bc4b13a0db06b722e47a97.png)
您最近一年使用:0次
2019-12-26更新
|
298次组卷
|
3卷引用:2016-2017学年内蒙古集宁一中高二上学期期末考试数学(文)试卷