名校
1 . 已知点
是正方体
底面
内一动点,且满足
,设
与平面
所成的角为
,则
的最大值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/c7ba89a2-94f2-4bb6-9fc6-61e9dd7a11c0.png?resizew=175)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce907e681540797c83646f17f2cc9f39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79039b211d151710a15fc9dda11d6225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/c7ba89a2-94f2-4bb6-9fc6-61e9dd7a11c0.png?resizew=175)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-11-14更新
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1168次组卷
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6卷引用:浙江省湖州中学2020届高三下学期高考模拟测试(四)数学试题