在
中,角A、B、C的对边分别为a、b、c,S是该三角形的面积
(1)若
,
求角B的度数
(2)若a=8,B=
,S=
,求b的值
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461957632/STEM/2d2cd93d824b4d03b5becd48f03ea6de.png)
(1)若
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461957632/STEM/83ae83544d4c493481ca575c0bcb056a.png)
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461957632/STEM/6b40e04340844a938e5167592de5ac73.png)
(2)若a=8,B=
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461957632/STEM/9247d62d96784a2c8e149a7bb2089ccb.png)
![](https://img.xkw.com/dksih/QBM/2014/4/11/1571615456354304/1571615461957632/STEM/9f44ee6d585c43b69df0342113e193ea.png)
14-15高三上·上海·期末 查看更多[2]
更新时间:2016-12-02 20:42:45
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