2011·贵州遵义·一模
解题方法
1 . 设向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb9bb09c8181dbea2e52d97cb3e9d6e.png)
,向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b89dc3e6c158fd8fa526506840dc8a.png)
(1)若向量
,求
的值;
(2)求
的最大值及此时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb9bb09c8181dbea2e52d97cb3e9d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0253d5971e03b25888fa002f1425ed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b89dc3e6c158fd8fa526506840dc8a.png)
(1)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721da1918d645beb410767da3a5cce55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92fe42d82498ead9d540c825fcf823f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2011·贵州遵义·一模
2 . 若对于函数
的定义域内的任一个
的值,均有
,对于下列4个函数:①
;②
;③
;④
,其中符合已知条件的函数序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f90fcf7b73230ad46910c9308d9969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb1f2699ad4b71c48b36ecf26c90aaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae68089ac5c8da78e1104e2c8d77fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4815861f44a710e625b53bcf030e1ddd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c49517ca55824739e37cb107cb48c42.png)
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2011·贵州·模拟预测
解题方法
3 . 设
的内角A、B、C所对的边分别为a,b,c,且
.
(1)求角A的大小;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b1182c4fbfbe44f693a823c70ad415.png)
(1)求角A的大小;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2bcb0cf5182f70cf5f2737b709b4a9c.png)
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4 . 在
中,角
所对的边分别为
,且满足
.
(1)求角
;
(2)若
,且
,求边
.
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549662720/STEM/a6aa83a4022e49f1886babf66b1e7cd4.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549662720/STEM/1f5d25853b02479ca92ee559972cc469.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549662720/STEM/b38a376032bc46ee978e1452c1d23a49.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549662720/STEM/1614f88abaf74e26bb8358f3be1bb702.png)
(1)求角
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549662720/STEM/98bf11e8c4924ead9c71a6a4be8ca9b3.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549662720/STEM/90b6e50b968a4bf7abbffdc9b1a40b9d.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549662720/STEM/5febf6d04c9d464fab89c3dfbfd5d186.png)
![](https://img.xkw.com/dksih/QBM/2016/3/7/1572520543559680/1572520549662720/STEM/5e043e6954f845f882f9fe70ad8da2ac.png)
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13-14高一下·山东济宁·期中
名校
5 . 已知
,则点P
所在的象限是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a2418cc0e7ff39efaaca6492e5596b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a69b714d09be7a39b73c2225c49e9b.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
您最近一年使用:0次
2014-06-11更新
|
2994次组卷
|
5卷引用:2019年贵州省铜仁市铜仁第一中学三模数学(文)试题
2019年贵州省铜仁市铜仁第一中学三模数学(文)试题(已下线)2013-2014学年山东省济宁市鱼台一中高一下学期期中考试数学试卷辽宁省沈阳市铁路实验中学2019-2020学年高三上学期10月月考数学(理)试题河北省衡水市武邑县2019-2020学年高三上学期12月月考数学(文)试题黑龙江省大兴安岭呼玛县高级中学2019-2020学年高一上学期第三次月考数学试题
2011·贵州·模拟预测
6 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4575d8ac3bf039c11518007abc824127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd9be60498f3f731492b1ec7c0afcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99bfb7ecf17bdd90e1a632ebe4499f23.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次