已知
的最小正周期为
.
(1)若
,求
;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f0093e1de93cee41f76396536dba04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e24b9cfe2ed520eb7b9f8fb3d2cd41a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c5a05a11f731194a845e68a0479ce4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b650ab9b6654d69bf98063f11f6714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61f661e145f0ac99d9581ec94b4879eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf55df27c35c5c6aff5f1310cb1aa5a.png)
更新时间:2017-12-06 23:43:00
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【推荐1】已知
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【推荐2】已知函数
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【推荐1】某旅游景区每年都会接待大批游客,为了控制经营成本,减少浪费,某酒店计划适时调整投入.为此他们统计了历年中每个月入住的游客人数,发现每年各个月份来酒店入住的游客人数呈周期性变化且在第一季度内有对称性特征,并且具有以下规律:①每年相同的月份,入住酒店的游客人数基本相同;②入住酒店的游客人数在2月份最少,在8月份最多,相差约400人;③2月份入住酒店的游客约为100人,随后逐月递增,在8月份达到最多.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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【推荐2】分别求满足下列条件的
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)
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解题方法
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87e836d67d5ac4aaed16e5f5206b0e4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ecd5f251e8a94a611cc98d239ff9575.png)
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