已知函数
,
.
(1)求
的最小正周期和单调减区间;
(2)若
(
)为
的一个零点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22da0bb1cf761a0c0e4dac08087209b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf60f486c461acdbf5f05f50c1043e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50dec5d024bf83a30ef21f52abe9fccf.png)
19-20高一下·北京朝阳·期末 查看更多[5]
北京市人大附中朝阳学校2019-2020学年度高一下学期期末模拟数学试题(1)贵州省铜仁市伟才学校2020-2021学年高一11月半月考数学试题(已下线)专题5.10 三角函数综合应用-《聚能闯关》2021-2022学年高一数学提优闯关训练(人教A版2019必修第一册)广东省江门市第一中学2022-2023学年高一下学期3月月考数学试题天津市第四十二中学2023-2024学年高三上学期10月月考数学试题
更新时间:2020-11-06 23:20:59
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(1)求
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![](https://img.xkw.com/dksih/QBM/2021/5/2/2712444708528128/2718985807650816/STEM/5eb85ed5-9948-4eb3-97b2-682f7e874f70.png?resizew=270)
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解题方法
【推荐1】已知函数
,
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【推荐2】已知函数
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