1 . 在正方体
中,
为
的中点,则直线
与直线
所成角的余弦值为_______ .
![](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/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bb49fdc6b6bbb2449fdf8a0de769d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
您最近一年使用:0次
2 . 已知函数
的部分图象如图所示,则函数
=______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a822496a635208fa99fdf6140272bc01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
解题方法
3 . 已知
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd13debe7b285b22bfed2ce69115134b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a4e9626b27d276bd2f1892354421b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
您最近一年使用:0次
名校
4 . 函数
的值域为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/951505b356acaba9719154025cc6cd98.png)
您最近一年使用:0次
2024-05-08更新
|
361次组卷
|
2卷引用:内蒙古自治区赤峰市红山区赤峰第四中学2023-2024学年高一下学期4月月考数学试题
名校
解题方法
5 . 设
,
是不共线的两个向量,
,
,
.若A,B,D三点共线,则k的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa27317bcb188fa4a07c00d0262320c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52e576eb4d80b3622bf2affab775699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ff35c6195ccff7a759e7b05e0e3ee3.png)
您最近一年使用:0次
2024-04-30更新
|
251次组卷
|
3卷引用:内蒙古赤峰二中2023-2024学年高一下学期第一次月考数学试题
名校
解题方法
6 . 在
中,
,O是
的外心,
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9774f83067ed956a551bc41adcce0469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed56b815a334a15d0fb81c185a17cde7.png)
您最近一年使用:0次
2024-04-20更新
|
550次组卷
|
2卷引用:内蒙古名校联盟2023-2024学年高一下学期期中联考数学试题
解题方法
7 . 已知
,函数
是奇函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d670dd4e0b4ee34f7be1104fe80e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次
2024-04-19更新
|
993次组卷
|
6卷引用:内蒙古名校联盟2023-2024学年高一下学期期中联考数学试题
8 . 已知非零向量
,满足
,且
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de92206d9c5afc2056f16086346a877e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45d04cb4a235dec984d23349b21a236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907c0fa29b61cb90409b1b260457597a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83634e314df24df73ae37d25a44d20e3.png)
您最近一年使用:0次
2024-04-17更新
|
122次组卷
|
2卷引用:内蒙古自治区鄂尔多斯市达拉特旗第一中学2023-2024学年高一下学期第一次学情诊断(4月月考)数学试题
解题方法
9 . 若
为偶函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81c800fccfba58a84fb5dfce1616fe63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
10 . 在
中,若
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a74c3e9a8f3f11e98b4fa659a97679.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26308ea6d8f321d27acbd7f9b131f9f1.png)
您最近一年使用:0次