已知函数
.
(1)求
的最小正周期与对称轴;
(2)将
图象上的点的横坐标变为原来的2倍(纵坐标不变),得到
的图象,若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89daeba8927cd138ea15234358da08c2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将
![](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/2cd5ea4a23c1bfda6bea040d0f9b1529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d394016b9fecac73f38cbc4ff18dee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4982b8825ac339a5902909ac4df6fa.png)
更新时间:2022-01-26 23:16:56
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,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a837149d753a3457daeb1eef3a90f05.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a2d60554c2bed8d6017cc9cfac6d6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a837149d753a3457daeb1eef3a90f05.png)
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