1 . 已知函数
.
(1)设
,判断函数
的奇偶性,并说明理由;
(2)设函数
.画出
在
的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f972e3c48dfa91e47e5b7446b5db8815.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90bbd08c5f8175e756547713faeb0e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37440b57fe2ffc13f2a873e38f55d29b.png)
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2019高三·全国·专题练习
2 . 已知函数f(x)=
sin ωx+
cosωx(ω>0)的最小正周期为π.
(1)求ω的值,并在下面提供的直角坐标系中画出函数y=f(x)在区间[0,π]上的图象;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/6f27522e-098f-4aff-aa83-02b6bba7602d.png?resizew=256)
(2)函数y=f(x)的图象可由函数y=sin x的图象经过怎样的变换得到?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff998d034284391ca064755fa6bf1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9c6fe12d3a9727e00ef87a630302ab.png)
(1)求ω的值,并在下面提供的直角坐标系中画出函数y=f(x)在区间[0,π]上的图象;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/31/6f27522e-098f-4aff-aa83-02b6bba7602d.png?resizew=256)
(2)函数y=f(x)的图象可由函数y=sin x的图象经过怎样的变换得到?
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