已知
,
,
(1)求函数
的值域;
(2)求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02aa9f1640a968be62fd4361858b6318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436ce9610a5f8c82dbdf14bbf5dfc49a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1350b2b1403f428f03a8a5459508a35.png)
更新时间:2016-12-04 02:27:03
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名校
解题方法
【推荐2】设函数
(
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(1)求函数
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(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
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【推荐1】已知向量
向量
与向量
的夹角为
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(1)求向量
;
(2)若向量
与
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,其中
、
为
的内角,且
、
、
依次成等差数列,求
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(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074052868068e1d6119a01685888aff8.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074052868068e1d6119a01685888aff8.png)
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适中
(0.65)
【推荐2】函数
(其中
)的部分图象如图所示,先把函数
的图象上的各点的横坐标缩短为原来的
(纵坐标不变),把得到的曲线向左平移
个单位长度,再向上平移1个单位,得到函数
的图象.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/941a8786-c454-4139-93e5-ba95c02d0c9f.png?resizew=164)
(1)求函数
图象的对称中心;
(2)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68ae6678d22dc7b9125533b2c873b9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14fd82a003d2169031a410c5aa7cce0.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/941a8786-c454-4139-93e5-ba95c02d0c9f.png?resizew=164)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996a018d98a994ceb00b73a6733863bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
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