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1 . 已知函数f(x)
φ)﹣cos(ωx+φ)(
),x=0和x
是函数的y=f(x)图象的两条相邻对称轴.
(1)求f(
)的值;
(2)将y=f(x)的图象向右平移
个单位后,再将所得的图象上各点的横坐标伸长为原来的4倍,纵坐标不变,得到函数y=g(x)的图象,求y=g(x)的单调区间,并求其在[
]上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4fd47d9b8ea525cc2b791c3ef2a3bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481d1c62ba9f7ed23214b23ddf47f17e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c72add9c1c236c3cd8f0be037f200798.png)
(1)求f(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66906a8fa34df215d1dade16445ac31.png)
(2)将y=f(x)的图象向右平移
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bf9e42f4ba6772a859da00df960714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2052c841091321d737e282ba98284ae5.png)
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