如图,二面角
的大小为
,且
与交线
所成的角为
,则直线
所成的角的正切值的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/754bbd99327195520a4ca3ce3b9a0577.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/829b346ab9a11ee82dd0b5cfbf6c2a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/1/c21596c1-de44-4da2-9fc9-a4996338be37.png?resizew=179)
A.![]() | B.![]() | C.![]() | D.![]() |
22-23高三下·江西·阶段练习 查看更多[6]
江西省南昌市等4地2023届高三下学期7月月考数学试题(已下线)重庆市第一中学校2024届高三上学期入学考试数学试题(已下线)重难点突破02 利用传统方法求线线角、线面角、二面角与距离(四大题型)河南省南阳市第一中学校2023-2024学年高二上学期12月月考数学试题(已下线)第12讲 8.6.2直线与平面垂直的判定定理(第1课时)-【帮课堂】(人教A版2019必修第二册)(已下线)8. 6. 3 平面与平面垂直(第1课时) -【上好课】(人教A版2019必修第二册)
更新时间:2023-07-29 22:53:55
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解题方法
【推荐1】如图,在正四棱柱
中,
,
分别为
的中点,异面直线
与
所成角的余弦值为
,则
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/2ba91616-aa4e-4365-89bc-eacecdc7d5ca.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf04c486321be1e75e79fff14a1f313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d70de1ffdd9aa376b09bbcfa12644a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5415c235863bfba1008463d855d14bea.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/456175ea34492f0bc025aaab668fa659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/4/2ba91616-aa4e-4365-89bc-eacecdc7d5ca.png?resizew=172)
A.直线![]() ![]() ![]() | B.直线![]() ![]() ![]() |
C.直线![]() ![]() ![]() | D.直线![]() ![]() ![]() |
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【推荐2】在正方体
中,
为正方形
的中点,
为
的中点,则直线
与
所成的角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】在棱长为2的正方体
中,
为
的中点,
为线段
上的动点,则当
时,
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
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【推荐2】如图所示,在直三棱柱中,
为棱
的中点,则点
到平面
的距离是( )
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【推荐1】如图,正四棱柱
中,
,若直线
与直线
所成的角为
,则直线
与平面
所成的角为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/8/582a2a74-28c3-4001-8de6-819240f2ad4a.png?resizew=166)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/8/582a2a74-28c3-4001-8de6-819240f2ad4a.png?resizew=166)
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【推荐2】在三棱锥
中,
,点P到三角形
三边的距离相等,且点P在平面
上的射影落在三角形
内,则
与平面
所成角的正切值为( )
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【推荐1】在四棱锥
中,底面
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【推荐2】已知四边形
,
,
,现将
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内,则直线
与
所成角的余弦值取值范围是( )
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