在
中,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8b278c47f4b45222c86634ea7200e62.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b461755a5d7c949f9f134e2a954aea40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8b278c47f4b45222c86634ea7200e62.png)
20-21高一·全国·课后作业 查看更多[2]
更新时间:2021-12-01 23:27:03
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【知识点】 正弦定理边角互化的应用解读
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是
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