在
中,若
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c12ce6901e15919b9e1825c4f2f8f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
更新时间:2023-08-10 14:30:01
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【推荐1】
的内角
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,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
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填空题-单空题
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较易
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解题方法
【推荐2】若△ABC内角A,B,C所对的边分别为a,b,c,已知
,
,
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
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