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1 .
的内角A,B,C的对边分别为a,b,c.
,
的面积为
.
(1)若
,求a:
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8c65bea2c80af038768b74250c694e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6cf4fe79c499a3186c0e68af7f6d21c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424258051d6d5e8733130cc09379c865.png)
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2022-01-14更新
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2 . 已知函数
(
)的图象向右平移
个单位后关于
轴对称,则
在区间
上的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e316266d94371c5b161eb9cd309e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89040554aa79926881b74fe954e4d08a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c1652dbdeabf54e907c7caafe01027.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-06-03更新
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