已知向量
,向量
,设函数
的图象关于直线
对称,其中常数
.
(1)求函数
的单调递减区间;
(2)将函数
的图象向左平移
个单位,再向下平移1个单位,得到函数
的图象,求出函数
对称中心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f664e642d29d827ecc703f32c2f185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94dc49797d57893166850b05a6a297e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10b8d36c5c4797c7f498b80c0a027c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9895bf4192f5c55c16f8270d53c49b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d146b35aafbdf1191e16672217cea74d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
更新时间:2022-03-17 08:51:34
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解答题-问答题
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适中
(0.65)
【推荐1】已知函数
.
(1)求函数
的最小正周期;
(2)求函数
的对称轴方程以及对称中心;
(3)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14ee2d767302779746569fe5e03c4e52.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c9750b9c423209dc86719a8dcc5d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0eef742bb017d3f68c742255579cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d47513223d9d3101c21e6a3b0e3ebbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
(1)求
的最小正周期和对称中心;
(2)求
的单调递减区间
(3)求
在
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d47513223d9d3101c21e6a3b0e3ebbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已知向量
.
(1)当
时,求
的值;
(2)设函数
,已知在
中,内角A,B,C的对边分别为a,b,c.若
且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c3015f127d73e5efdd824242db28b0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0dc2237408b01132ddf094247e35a3.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a703e3f83a928fbf51bdf7b10b90fb50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d62e60396295cd74d03e38978405bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6598a8ab6ad88ce536f30348eef24a3d.png)
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解答题
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适中
(0.65)
解题方法
【推荐2】在
中,角
的对边分别为
,已知
.
(1)求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5458cf682081953c2d6ecdb13ca67291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a80d642494e68c4bd5219a7c67ffe5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6855ae718d779935834991aaa0583906.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f586f7ba4f05ea6d97f5232b4c56db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a80d642494e68c4bd5219a7c67ffe5c.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐1】在①函数
的图象向右平移
个单位长度得到
的图像,
图像关于
对称;②函数
这两个条件中任选一个,补充在下面问题中,并解答.
已知______,函数
的图象相邻两条对称轴之间的距离为
.
(1)若
在
上的值域为
,求a的取值范围;
(2)求函数
在
上的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321d3c0c3eb6e44dd9dee83105205a22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ebb7b00c8246c9a938bdbf40b4e7fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5de3ef59e5903c546e5fe57389adf2f.png)
已知______,函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01957371912822c39184d51b7881fb5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1279ef84071f5ad7c4c1681357edd84.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb9595cfebe608e2b3ec06c10421dd.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32479a8d44b87569111ed325d884568c.png)
(1)当
时,求
的单增区间;
(2)将函数
的图像向右平移
个单位后得到函数
,若关于
的方程
在
上有解,那么当
取某一确定值时,方程所有解的和记为
,求
所有可能值及相应的
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32479a8d44b87569111ed325d884568c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4908e3b4e523c042732ccb7c215aac99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c07dfba3a999d064fc60b6483b6a4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/217a7df60635c0e378fea8177861b1d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1752474698cd5466dd180df0a00ba9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1752474698cd5466dd180df0a00ba9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次