名校
1 . 已知
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131ac7eb1e911c9a40e84235bf3742ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5652935c64fc45b3890f21e7212fc8dc.png)
A.8 | B.6 | C.![]() | D.![]() |
您最近一年使用:0次
2017-12-01更新
|
481次组卷
|
4卷引用:陕西省渭南市杜桥中学2020-2021学年高二上学期期中文科数学试题
解题方法
2 . 在
中,角
所对的边分别为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff40647acc39fdcdcd5f3e19b29b103f.png)
,
,
,则
的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f9caf437daaf34d6075df028e9999a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff40647acc39fdcdcd5f3e19b29b103f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67636b9e0f6fbafae2a1ffb2046d1a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09dd167e932ce6c57b14d53fa1ab67c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e653c12c0d24f170371684329aa2999e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.2 | B.3 |
C.![]() | D.4 |
您最近一年使用:0次
2017-02-08更新
|
745次组卷
|
2卷引用:陕西省宝鸡市渭滨区2021届高三下学期适应性训练(一)理科数学试题