名校
解题方法
1 . 已知函数
.
(1)求
最小正周期和单调递减区间;
(2)求
在区间
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2d11bd02ddb578492e3a619474c8d25.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
您最近一年使用:0次
2021-08-26更新
|
1594次组卷
|
3卷引用:新疆喀什第二中学2022届高三下学期开学考试数学试题
名校
2 . ①函数
有一条对称轴方程是
;
②若
为第一象限角,且
,则
;
③函数
是奇函数;
④函数
的图象向左平移
个单位,得到
的图象.
以上四个结论中,正确的序号为__________ .(填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8390974e4e4b17a53bf38806a8111560.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ad363d64a68e5fcd941042c47fbd17.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c61cfbfd3bf888856b7dc9b2a84c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f968380bd05be0a88c4c389b344050c.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d38f62c1e74c94bdf00b6e23db160f93.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4408348cd2886c758f06baaed9b20bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd8ddf326ee3e0abf017a29f718b2bb.png)
以上四个结论中,正确的序号为
您最近一年使用:0次
解题方法
3 . 在面积为
的
中,
,若点
是
的中点,点
满足
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839c7616cd0d90265f4b2c9c021254fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b1e8bf467d5fa7b4f030b18f26296c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c27334d7a603d274af7e73585a991a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e77a6a004dc4e568dee970c23c5804.png)
您最近一年使用:0次
2020-04-13更新
|
606次组卷
|
3卷引用:第03讲 基本不等式-2021年新高考数学一轮专题复习(新高考专版)
名校
4 . 已知
是锐角,
,则
的值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da4a2f5f27906c81d8169354952e629a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7759fbbc53ebc9194ea4a204e0fc3e76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-01-16更新
|
720次组卷
|
3卷引用:新疆双河市第五师高级中学2019-2020学年第二学期高一入学数学试题