名校
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af6d0c94bc9e313a632d0d5faa2345d.png)
(1)化简
,并求
的最小正周期;
(2)若
,求
;
(3)求
的单调递增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6af6d0c94bc9e313a632d0d5faa2345d.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924db585af597cd0198e3671101b8b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/089290078a8fdae25617136b2d062936.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2019-11-23更新
|
423次组卷
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2卷引用:山东省济南市章丘区2019-2020学年高三上学期期中数学试题
2 . 设函数
.
(1)化简并求函数
的最小正周期
及最值;
(2)求函数
的单调增区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c1af399a4e32eeeca820055855f043.png)
(1)化简并求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2019·河北·模拟预测
3 . 已知函数
,求:
(1)化简成正弦型函数;
(2)单调减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2a820f9933589d0fbba67787a7aa53.png)
(1)化简成正弦型函数;
(2)单调减区间.
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名校
4 . 已知函数
.
(1)将
化简为
的形式,并求
最小正周期;
(2)求
在区间
上的最大值和最小值及取得最值时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb057032aafad4d76221238aa123893.png)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea769ef31f33dab3a950d37b427f1bca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a22788ba9a5ae5a0aa8542d164b56e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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