名校
解题方法
1 . 如图,直三棱柱
中,侧棱
平面
,若
,
,则异面直线
与
所成的角为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ccc0d735dc14c92a8926d9b1def6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af2626608f61a4cfbb86494bd6df0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f144992e1cbee34868abce1e5ad38c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/2b449aa7-dcae-4ed0-ab88-b8a53cb9c008.png?resizew=178)
您最近一年使用:0次
2020-03-17更新
|
445次组卷
|
5卷引用:四川省内江市第六中学2022-2023学年高二上学期期中考试数学(文科)试题
名校
解题方法
2 . 给出下列五个命题,其中正确的命题序号是________ .
①当
时,函数
取得最大值,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f125fd53e1adb7b35d7d69692bb34953.png)
②已知菱形
,
为
的中点,且
,则菱形
面积的最大值为12
③已知二次函数
,如果
时
,则实数
的取值范围是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b306212dda9239ea205113602c98d7.png)
④在三棱锥
中,
,
,点
分别是
的中点,则异面直线
所成的角的余弦值是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6503ca085e3ca5f2ba723b0dd66e210b.png)
⑤数列
满足
,且数列
的前2010项的和为403,记数列
,
是数列
的前
项和,则
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19099ff9ce1b01be72e4535e600aeb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc115d2b98c264af2b657cfa6557aa00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f125fd53e1adb7b35d7d69692bb34953.png)
②已知菱形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f218914337edd06e59e75d90b777e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
③已知二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1fcd80e0ed99d866856bfe93985460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9415ab7474c0b9e1227feeea97fee3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366839b25310cb3168d411b1d5f73b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b306212dda9239ea205113602c98d7.png)
④在三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a0ef202afa917638262baca488ac50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341e8dae00f6b2abc94199ccfd6cf180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7490886e2807c7b8a4fa57d99c4dc3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866862176201864acf32a1838fd7eda2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e083032694d9ce3bee912acf93b8709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6503ca085e3ca5f2ba723b0dd66e210b.png)
⑤数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2380e682a22c29eb146a7d2e60e56291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b35b20d625d7ec24531a0a6619f7683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3742dd42d1160894e52e394bf27450.png)
您最近一年使用:0次
名校
3 . 在正方体
中,
为棱
的中点,则异面直线
与
所成角的正切值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
2019-12-16更新
|
544次组卷
|
10卷引用:四川省成都市成都外国语学校2019-2020学年高二上学期期中数学(理)试题
四川省成都市成都外国语学校2019-2020学年高二上学期期中数学(理)试题四川省成都市成都外国语学校2019-2020学年高二上学期期中数学(文)试题四川省双流中学2019-2020学年高一下学期六月月考数学(文科)试卷宁夏石嘴山市第三中学2019-2020学年高一上学期期末数学试题黑龙江省大庆市铁人中学2020届高三考前模拟训练(二)数学(文)试题广西柳城县中学2020届高三6月加强考数学(文科)试题江西省宜春市奉新县第一中学2020-2021学年高二下学期第一次月考数学 (理) 试题宁夏青铜峡市高级中学2021-2022学年高二上学期第一次月考数学(文)试题重庆市第十八中学2022-2023学年高二上学期线上素质测评数学试题河南省开封市新世纪高级中学2022-2023学年高二下学期期中数学试题
名校
4 . 在正四棱柱
中,
,
分别为棱
的中点,则异面直线
与
所成角的大小为_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d41b64064a830c41c1b20b78473866c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d70de1ffdd9aa376b09bbcfa12644a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7f85ee6827ad61489be483db02d96f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0593f7294dbd7a04fa494ea28b10e21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
您最近一年使用:0次
2020-02-09更新
|
305次组卷
|
5卷引用:四川省宜宾市叙州区第二中学校2024届高三下学期开学考试数学(理)试题
名校
5 . 如图,正方体
中,
的中点为
,
的中点为
,
为棱
上一点,则异面直线
与
所成角的大小为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/3ca919da-9a9f-4bc7-8022-bd950d4d7ec7.png?resizew=146)
您最近一年使用:0次
2019-09-19更新
|
780次组卷
|
4卷引用:四川省广安市2018-2019学年高一下学期期末数学(理)试题
6 . 如图,已知六棱锥
的底面是正六边形,
平面
,
,给出下列结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/6bdf2b1f-6b1a-4156-86df-781cb99b70c1.png?resizew=177)
①
;
②直线
平面
;
③平面
平面
;
④异面直线
与
所成角为
;
⑤直线
与平面
所成角的余弦值为
.
其中正确的有_______ (把所有正确的序号都填上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b7838a53d0b3ed4565fb6a890f365d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9801cabc43c024b9c5fac34b7db5d69b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/6bdf2b1f-6b1a-4156-86df-781cb99b70c1.png?resizew=177)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aaef9e92d148afff22761d5e027d3ee.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/963a91995abd4927d75406d16e10a81f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e6c2dad46a9052a4185a4f7b4ae8a2e.png)
③平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90d96357a07048ba79b8c84097d359d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37793a3a810e823e10c340986f55ddd.png)
④异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1e5fa72f2878b476bc57f0df12d6555.png)
⑤直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6265f5256804ccaff618cf8c0675eb8e.png)
其中正确的有
您最近一年使用:0次
2019-09-18更新
|
547次组卷
|
3卷引用:四川省内江市威远县威远中学校2022-2023学年高二上学期期中数学(理)试题
名校
解题方法
7 . 如图所示,正方形
的边长为
,已知
, 将直角
沿
边折起,折起后
点在平面
上的射影为
点,则翻折后的几何体
中
与
所成角的正切值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f2125dfe51596f77b060572f706cbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3814287dbb60d478bffc5366f9928b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5164a3cc47e266446d49127e2ef10c37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/5/db65e7f0-c56f-4a58-af08-d04e797d4e26.png?resizew=265)
您最近一年使用:0次
2019-07-11更新
|
551次组卷
|
6卷引用:四川省攀枝花市2018-2019学年高二下学期期末数学试题
名校
解题方法
8 . 如图是棱长为
的正方体的平面展开图,则在这个正方体中,直线
与
所成角的余弦值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://img.xkw.com/dksih/QBM/2019/7/9/2243217218519040/2243316686716928/STEM/12fa701e-6fd0-4165-a24e-501edd7ef7b3.png?resizew=226)
您最近一年使用:0次
2019-07-09更新
|
987次组卷
|
6卷引用:四川省攀枝花市2018-2019学年高二下学期期末数学(理)试题
9 . 如图所示,在正方体
中,
,
分别为棱
,
的中点,有以下四个结论:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/3da75f0c-a7bb-4c59-895a-cd2749a2be2b.png?resizew=144)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e97fcdcfd6183b976a61ef3222c607.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/12/3da75f0c-a7bb-4c59-895a-cd2749a2be2b.png?resizew=144)
①直线与
是相交直线;
②直线与
是平行直线;
③直线与
是异面直线;
④直线与
所成的角为
.
其中正确的结论为
您最近一年使用:0次
2019-05-18更新
|
1261次组卷
|
3卷引用:四川省宜宾市第四中学2019-2020学年高二下学期期末模拟考试数学(理)试题
10 . 在底面是边长为
的正方形的四棱锥
中,顶点
在底面的射影
为正方形
的中心,异面直线
与
所成角的正切值为2,若四棱锥
的内切球半径为
,外接球的半径为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301e67c1b6864ad87d85ca7237827542.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301e67c1b6864ad87d85ca7237827542.png)
您最近一年使用:0次
2019-05-13更新
|
607次组卷
|
3卷引用:四川省内江市第三中学2024届高三第一次适应性考试数学(理科)试卷
四川省内江市第三中学2024届高三第一次适应性考试数学(理科)试卷【市级联考】河南省洛阳市2019届高三第三次统一考试数学(文)试题(已下线)2019年10月13日《每日一题》2020年高考理数一轮复习—— 每周一测