![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5b10f8936eab4c92cfa546d0fa95db.png)
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更新时间:2017-12-22 11:53:17
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【知识点】 三角函数的诱导公式
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单选题
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较易
(0.85)
解题方法
【推荐1】已知函数
的图象如图所示,图象与x轴的交点为
,与y轴的交点为N,最高点
,且满足
.若将
的图象向左平移1个单位得到的图象对应的函数为
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/26/7fb48830-6a0f-4bdf-9ecd-57d3cccd25e1.png?resizew=169)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/564c98aa862860a18c97b88ceeac5a21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da91c8d447779668b0e0da2478141890.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49d7ad0f347806ba87f84c16da378b4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5163f9634d83fbc29d7f07600595a798.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/26/7fb48830-6a0f-4bdf-9ecd-57d3cccd25e1.png?resizew=169)
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单选题
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【推荐2】已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f667a7502331e3f8b9d8efbc7f50f865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901e7539bd710cbf597feb584a1f03f6.png)
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