已知函数
.
(1)求
求函数的最小正周期及对称中心.
(2)求函数
在
值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1280b1f1cfd75c18cdc5754da401fd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
更新时间:2022-06-25 18:24:57
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适中
(0.65)
名校
【推荐1】已知函数
(其中A>0,
,
)的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/0778f5ef-66a8-4672-a3ea-0b24541758fd.png?resizew=172)
(1)求函数
的解析式;
(2)将
的图象向右平移2个单位长度,再将所有点的横坐标缩短到原来的
(纵坐标不变),得到函数
的图象.求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20be4abeb3c2da2f31c090ed4b50313a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a297d9b18487cde772be5c7d2676b0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/0778f5ef-66a8-4672-a3ea-0b24541758fd.png?resizew=172)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb50186a436ea188d9fe10ce0e252319.png)
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适中
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【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d82f989c797018921e8b35c971a00f.png)
(1)当
时,求函数
取得最大值和最小值;
(2)设锐角
的内角A、B、C的对应边分别是
,且
,若向量
与向量
平行,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d82f989c797018921e8b35c971a00f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c236daf2b2f842a46e62a0a0e6162e86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95b223151d26ed48ceb26dd36e4eb36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6cf9df789b3ec18cdab17844c4295e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cc6857af94ec2468956b799d14e2a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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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)当
时,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4061cf33a6f47465a2ad88630a1c4399.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
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适中
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解题方法
【推荐2】已知函数
.
(1)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23055044a6e1feb9a3003ea143e1465.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc5b78241c4ab103d0e4549efb6552e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673f7e66c2a252da4c77c70d90c8cec.png)
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适中
(0.65)
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解题方法
【推荐1】已知
,
,
分别为
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,
,
的对边,且
.
(1)求
;
(2)若
,求
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![](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/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/9b11d83cc4abd3886788064b177a46c4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
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适中
(0.65)
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解题方法
【推荐2】已知函数
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(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb95833da53441a2736c6d81bb3f1e3c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f33de8b0e1bcd7b4f757fc1882d03ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5005145532c5e89bb496071dcbbab641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
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适中
(0.65)
【推荐3】已知函数
.
(1)求函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4962cdaba377ed598115db40419e409a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4a4b368fc617cbc67c23c5c4129fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3038d4728f959a8efedc2592e4a4b5fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a43f50dff64391af97d96a9538bce5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次