名校
1 . 在如图所示的正方体
中,
分别棱是
的中点,异面直线
与
所成角的余弦值为
![](https://img.xkw.com/dksih/QBM/2017/10/26/1803513271083008/1804993645920256/STEM/583fa04e82624b19a1a61fc06bd0f9b0.png?resizew=200)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1976128dc1fdc9085c020dd09a60a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15dc61d5de97b5a40be925b278ae494c.png)
![](https://img.xkw.com/dksih/QBM/2017/10/26/1803513271083008/1804993645920256/STEM/583fa04e82624b19a1a61fc06bd0f9b0.png?resizew=200)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-10-28更新
|
924次组卷
|
3卷引用:安徽省合肥市第八中学2020-2021学年高二上学期第一次段考理科数学试题
名校
2 . 直三棱柱
中,若
,则异面直线
与
所成角的余弦值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c101efada0e688e89e1e18fb61a299e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7d857811cbd619f868d951aa7a0ab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
A.0 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . 两条异面直线
所成的角
,直线
,则直线
与
所成的角的范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2293799d379200cf746e8450ebd5744f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知正四棱柱
中,
,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/c6c5282bc1ea20767a6c092c22c761ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 正四面体
中,点E为
中点,点F为
中点,则异面直线
与
所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/12/ca98eb9a-6391-4c39-9b22-19921b41ccce.png?resizew=170)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-03-22更新
|
446次组卷
|
2卷引用:安徽省六安市舒城中学2017-2018学年高二下学期第一次统考(开学考试)数学(理)试题
名校
解题方法
6 . 如图,在正四面体
中,点M,N分别为AD,BC的中点,则异面直线AN,CM所成的角的余弦值是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891579e7c231584a8e16b8eeff79888e.png)
![](https://img.xkw.com/dksih/QBM/2020/3/7/2414498511429632/2416041010249728/STEM/a005fb9ae3304275a7ec250bd9ed39d4.png?resizew=152)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 在正方体
中,异面直线
与
所成角为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8456cee87c4e22351affc28f3a73a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93ecad355286188fd317939fa50f9555.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-03更新
|
542次组卷
|
2卷引用:安徽省皖北名校2020-2021学年高二上学期第一次联考数学试题
8 . 在正方体
中,
分别为
的中点,则异面直线
所成角的余弦值为
![](https://img.xkw.com/dksih/QBM/2017/2/16/1625399157129216/1633011368632320/STEM/99da23907ed94795a68486dd21aa0584.png?resizew=215)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd694ad3a4733c7c84aaa7946aeea4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef463e9b1ecc2123f08e4c1d83c7b3af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44f50e611c3ee3a6891fb97b10e6ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f739608b4305b772a067b8c5bb0d20.png)
![](https://img.xkw.com/dksih/QBM/2017/2/16/1625399157129216/1633011368632320/STEM/99da23907ed94795a68486dd21aa0584.png?resizew=215)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-02-27更新
|
690次组卷
|
2卷引用:安徽省滁州市定远县育才学校2019-2020学年高二(实验班)上学期第三次月考数学(文)试题
9 . 正方体
中,异面直线
与
所成的角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
A.30° | B.45° | C.60° | D.90° |
您最近一年使用:0次
解题方法
10 . 在正方体
中,E、F分别为
和
的中点,则异面直线
与
所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
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