22-23高二上·上海浦东新·阶段练习
1 . 已知圆
的极坐标方程为
,则在平面直角坐标系中圆
的参数方程可以是______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2 . 如图,已知点
,
是曲线
上一个动点,
为坐标原点,则
的取值范围是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fefa2aa2b4d1043aa9b8619a32260c79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a45ad4277030bf9ecdb9c678b6657c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d2e577e4351904dc9dcef7822f34d2a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/19/699e106c-f1e8-4dbf-8e4a-b787082b1e00.png?resizew=149)
您最近一年使用:0次