名校
解题方法
1 . 已知
表示三个不同的平面,若
,且
,则直线
,
的位置关系是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ba63ad02b1d5af2982fac3d91eb15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35f747152f006301e03b643afb80195c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ea0bb5989b28576a3a574b3c9e96ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2024-01-19更新
|
524次组卷
|
5卷引用:上海市闵行(文琦)中学2023-2024学年高二上学期期末考试数学试题
上海市闵行(文琦)中学2023-2024学年高二上学期期末考试数学试题专题05 空间直线与平面-《期末真题分类汇编》(上海专用)(已下线)第05讲 空间直线﹑平面的平行-《知识解读·题型专练》(已下线)8.5.3 平面与平面平行【第一练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)6.4.2平面与平面平行-【帮课堂】(北师大版2019必修第二册)
名校
解题方法
2 . 如图,在正四棱柱
中,底面
是正方形,且
,
,经过顶点A和
各作一个平面与平面
平行,前者与平面
交于
,后者与平面
交于
,则异面直线
与
所成角的余弦值为______ .
![](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/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a2310cbba5e050488cd9296eb195d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e86eec8526479272d15bb3b171a46de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab3e0dba5705e1d749cfb21ebbb2ed93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次
2024-01-11更新
|
552次组卷
|
6卷引用:上海市徐汇区2023-2024学年高二上学期期末统考数学试卷
上海市徐汇区2023-2024学年高二上学期期末统考数学试卷专题05 空间直线与平面-《期末真题分类汇编》(上海专用)(已下线)第11讲 8.6.1 直线与直线垂直-【帮课堂】(人教A版2019必修第二册)(已下线)第16讲 拓展一:立体几何中空间角的问题和点到平面距离问题-【帮课堂】(人教A版2019必修第二册)(已下线)第八章 立体几何初步(二)(知识归纳+题型突破)(1)-单元速记·巧练(人教A版2019必修第二册)北京市第八十中学2023-2024学年高一下学期期中考试数学试题
3 . 平面
过正四棱柱
的顶点A,底面边长为3,侧棱长为4,
∥平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a6d43c38386405db6ac57602f65e00.png)
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263a2d155d1412af87d69b54c1ef80eb.png)
平面
则
所成角的余弦值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a6d43c38386405db6ac57602f65e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670684ed4962fcebce7b5a140510d066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/263a2d155d1412af87d69b54c1ef80eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670684ed4962fcebce7b5a140510d066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebd9ae25b6afab2536952b8aaa4eee87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0877194ab8760f54c35527177b03ff93.png)
您最近一年使用:0次