已知
,其中
,函数
,且以2π为最小正周期.
(1)求f(x)的解析式;
(2)当x∈
时,f(x)的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/198a4cffca5218834526c72735b19748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7653cf15acecd3d6e3f67becf4a9c4.png)
(1)求f(x)的解析式;
(2)当x∈
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1244b4054a33401f9fc1ce938ee6ad.png)
更新时间:2020-01-07 11:00:11
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适中
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解题方法
【推荐1】已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6799b234237333b0efa331d98f0374.png)
(1)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b56485671c9114a7d5e2dde1e3b011c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9732081c39887ec1e4ab5cc3355d3948.png)
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(2)记向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c947e872baa462ff1aefb1f005856ae1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1165c358652614c787f4453f8995171.png)
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(2)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
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