将
的图象向右平移
个单位,再向下平移1个单位,得到函数
的图象.若函数
在区间
上含有20个零点,则
的最大值为
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974403305472/1572974409023488/STEM/9adcabeefa1c484190ca9987c93abd97.png)
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974403305472/1572974409023488/STEM/3832dc1df2da4325b2434da60c74f9a0.png)
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974403305472/1572974409023488/STEM/8a110b16bad0456ea67834f12ecbd375.png)
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974403305472/1572974409023488/STEM/8a110b16bad0456ea67834f12ecbd375.png)
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974403305472/1572974409023488/STEM/4c29b3b153894abda1a4790fc8b32dc6.png)
![](https://img.xkw.com/dksih/QBM/2016/8/11/1572974403305472/1572974409023488/STEM/60b69b34d2b34d74859932653484770a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2016-12-04 18:47:32
|
【知识点】 三角函数的图象与性质
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单选题
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适中
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名校
【推荐1】已知函数
(
,
)的图象经过点
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内恰有两个零点,则实数
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A.![]() | B.![]() |
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您最近一年使用:0次
单选题
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适中
(0.65)
【推荐2】将函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b71d52eb4fa38df02085a70128f9e5.png)
的图象向右平移
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b71d52eb4fa38df02085a70128f9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dab330ffe9c3b65c5161b18bb25643ab.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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您最近一年使用:0次