名校
1 . 在极坐标系中,若点
、
的极坐标分别为
,
,则
(
为极点)的面积等于______ .
![](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/a6bc7d3afeb0e3b0d18862f96f2ee8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22de4fe4f2ff9d9dd38b25cef67ac8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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2017高二·全国·课后作业
2 . 直角坐标
的极坐标为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f464d97d20288fd1b56802a6b811cad5.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e4c652fd34eb7de9dbf84d92c6e640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f464d97d20288fd1b56802a6b811cad5.png)
您最近一年使用:0次