在
中,内角A,B,C所对的边分别为a,b,c,
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942245aece46d6fa4a771afe4ff05929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3688f93b20c77fcbd21a4cbd19dcb685.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75895739f9f1e04df824f960310ea1b.png)
更新时间:2023-08-05 08:01:12
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【推荐2】已知
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