名校
1 . 在
中,角
所对的边分别为
,已知
.
(1)求角
的大小;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c927f8731ddedbc2d2ee051622e8d5.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2d770627f29a7c1fa6659ecee13b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/2022/5/9/2975762628812800/2975843725664256/STEM/4010420e-6fab-4be9-a44a-827f9927a016.png?resizew=135)
(1)求
的值及函数
的单调减区间;
(2)在锐角
中,内角A,B,C所对的边分别为a,b,c,
,
,求c的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e81e5b66e70eddf2eb4f6baf8eeb90.png)
![](https://img.xkw.com/dksih/QBM/2022/5/9/2975762628812800/2975843725664256/STEM/4010420e-6fab-4be9-a44a-827f9927a016.png?resizew=135)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925d0b6da851504efe9c22d054af85cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45b430124c6124a10ca8f085a22728b.png)
您最近一年使用:0次
2022-05-09更新
|
624次组卷
|
2卷引用:吉林省吉林市第一中学2021-2022学年高二6月月考数学试题(理科创新班)