已知
.
(1)求
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab9e6e393c94e83a2be4fc7f1b993f6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a282d19bf2c827a98d4443330f7ca1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92185ee70e2ef31506eeba5f16a229e1.png)
22-23高一下·江西南昌·阶段练习 查看更多[2]
更新时间:2023-07-05 16:48:50
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【推荐1】已知
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【推荐2】已知
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【推荐2】设△ABC的内角A,B,C所对的边分别为a,b,c,满足
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