名校
1 . 设
的内角A,B,C所对的边分别为a,b,c,
,且bc=3,则
的外接圆的周长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5984e529beb0a7f3d7a02ae9ac3d2236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.2π | B.3π | C.4π | D.![]() |
您最近一年使用:0次
2021-05-10更新
|
1070次组卷
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8卷引用:湖北省十堰市丹江口市第一中学2020-2021学年高一下学期5月月考数学试题
名校
2 . 已知函数
.
(1)当
,且
的最大值为
,求
的值;
(2)方程
在
上的两解分别为
、
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10980be804c282b76eee108f1af8758.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ebe349b007f4b1c40417e5084bc04e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2616587ca53fcffb502d00c63c299da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9e57f9051895c43eb87215f444a8bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e058eeb9cea0d93756125087c6655325.png)
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2020-02-27更新
|
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3卷引用:湖北省十堰市郧阳中学2019-2020学年高一下学期第一次月考数学试题