已知函数
.
(1)求
的最小正周期;
(2)求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614ab6b9759b697613b6d97db5ee6b9e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778662c16848db470c6537705b8a839c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe011198d602c3a6134646a6960464ab.png)
更新时间:2018-08-12 21:50:57
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】已知函数
.
(1)求函数
的最小正周期和单调递增区间;
(2)当
时,求
的最值及取到最值时x的值;
(3)若函数
在
上有两个不同的零点
,
,求实数m的取值范围,并求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfcf9f41a09148e5dad6b5da9fef6ebe.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfeb726c3854090ebfcb7033076b0f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b946a8ec829a341aa6806a3eb0b9ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f47e4a7bb09daca2b701ca591091723d.png)
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解答题-问答题
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适中
(0.65)
【推荐2】对于分别定义在
,
上的函数
,
以及实数
,若任取
,存在
,使得
,则称函数
与
具有关系
.其中
称为
的像.
(1)若
,
;
,
,判断
与
是否具有关系
,并说明理由;
(2)若
,
;
,
,且
与
具有关系
,求
的像;
(3)若
,
;
,
,且
与
具有关系
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4413796ac3d5ca067bf70334101f5440.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e3ac1b540727626af78788a8e5f15de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce29c5d90d69a2601a0fb8d7a5ef10c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da4f4bf9fb72cabd7afc5a67f6ecf1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a60d69900052abbd9d34706040fca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a0a57339e225e3ead79e05bb7212f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a033f4499f5216cd9f8b45d667e5260.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a60d69900052abbd9d34706040fca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec5d200b561e4be52ccaaebdc3105d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732eb83270ada2691daa4b8390d32416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18302506ce6ae99c69000e690c7eb478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9255a62a04412025348c01beff3288bc.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a60d69900052abbd9d34706040fca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fa4cd0822ad07ef0d2af24428ab9ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e490efb3bf51a37961a5cc53f725fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56d39424b5e536e241bfc07e37f299b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-问答题
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适中
(0.65)
【推荐1】已知向量
互相平行,其中
.
(1)求
和
的值;
(2)求
的最小正周期和单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bff6545dfc46630fe013f111cb11fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211ead7b4685ef34e3dc991e533d11c0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d6348be432d19df65b7bd7e4e2a28f0.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
解题方法
【推荐2】已知函数
.
(1)求
的最小正周期;
(2)当
时,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c143f3f09f90d0cb85d2539dfc9309.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b0fd50ac74f1578fff87c2e18ffe80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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适中
(0.65)
【推荐3】已知函数
.
(1)求
的最小正周期和对称中心;
(2)在锐角
中,角
,
,
的对边分别为
,
,
,若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57d4a5510e7dc1f6e32b18c5a91b4235.png)
(1)求
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0d5cf8c22d0cf93274939d92963665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd950ec83d93596468e3aff0bb91e0e9.png)
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适中
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名校
【推荐1】在
中,角
对应的三边长分别为
,若
,
.
(1)求
的值;
(2)求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2333da32638ec636fa1e69e750ca4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a950a1fe5daba1d1fdfa1b64fb809de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d260e9f3f0f9d2e082b8d3c42be221c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4077d59428b0b81ac207566cf2163faa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c36a1287b4547910d595a9532412946.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621feeac5c4a72017ee3f9b97ef14f2b.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
.
(1)求函数
的的最小正周期和单调递减区间;
(2)若关于x的方程
在区间
上恰有两个不等实根,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c7a416d82f01bdbc4161e8a3058e01.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078c7b2873543f71a04d7e007bbf9413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57a0bf9050601ddff60923ff78a5f1f.png)
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适中
(0.65)
【推荐3】已知函数
的图象如图所示.
(1)求
的解析式;
(2)若函数
,当
时,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce59f0f84271f164e8c2d961c63317a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/19/4b13402d-6fcf-4da9-bde3-00780f043407.png?resizew=121)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8808d10b42410ea46c9138ce3b2b0fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2ba8f69743d354ec069eea8ef19b0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
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