在△ABC中,a,b,c分别为角A,B,C的对边,已知
.
(1)求角A的大小;
(2)若b,a,c成等比数列,判断△ABC的形状.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/209fdcb04b18cbf09122ebd0b168e0e6.png)
(1)求角A的大小;
(2)若b,a,c成等比数列,判断△ABC的形状.
更新时间:2022-03-30 21:28:26
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