1 . 计算:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a55057f6c840e1e378e9ee62e01c93a.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a247a58c19921f43de886bdcf7ad7b8.png)
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解题方法
2 . 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
3 . 已知
,且
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/685cdef78f98eb0eec9932e4570de636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15908f84ef5a39000d5f2528d82a2da6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b27ae00f951e42b9ddbdf6799c090a2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 如图,在三棱柱
中,
,
,侧面
是正方形,
为
的中点,二面角
的大小是
.
平面
;
(2)线段
上是否存在一个点
,使直线
与平面
所成角的正弦值为
.若存在,求出
的长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ae8a050d7159d4296c2409e5bc0bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58cc6184b191e6da43911e701121517e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea67423ce6963c0972867306169f17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589024e3c65475d8b5b00ebf373e4965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e516121599c9fcc528121c00afcf52fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4df730e937fb61b85054d316848b304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
您最近一年使用:0次
2024-05-27更新
|
690次组卷
|
2卷引用:2024届内蒙古呼和浩特市高三第二次质量数据监测理数试卷
解题方法
5 . 已知中心在坐标原点,焦点在
轴上的双曲线离心率为
,则其渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6 . 设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36e682e4eea73c6357c3b06ff29bbdd.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a94fd1ee96531561137dd0a48fbde9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36e682e4eea73c6357c3b06ff29bbdd.png)
您最近一年使用:0次
7 . 函数
的部分图象大致如图所示,则
的解析式可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 已知集合
,集合
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99d91164aa9c4818fa39a3b71c9f0b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14031b6c11f665a664a87163e662178c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc992c9e51d4b22232adf6bb5c8055a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.0或1 | B.![]() | C.0或![]() | D.0 |
您最近一年使用:0次
名校
9 . 在研究变量
与
之间的关系时,进行实验后得到了一组样本数据
利用此样本数据求得的经验回归方程为
,现发现数据
和
误差较大,剔除这两对数据后,求得的经验回归方程为
,且
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f8cfa8108b1f3671d0cd3abf20d28d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3677401437fc91ddc64ae6263da899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ec9755f8cd3c662c5971954494c476c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801840940b29e651fffe2ce8936fd769.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11750ddcda8985a0cdc3324d27329a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7be595d1ef00931fd529d6b0aa87e9ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.8 | B.12 | C.16 | D.20 |
您最近一年使用:0次
2024-05-16更新
|
767次组卷
|
9卷引用:内蒙古自治区呼伦贝尔市2024届高三下学期二模理科数学试题
内蒙古自治区呼伦贝尔市2024届高三下学期二模理科数学试题广西2024届高三4月模拟考试数学试卷河北省邢台市2024届高三下学期教学质量检测(一)数学试题广东省揭阳市2024届高三下学期二模考试数学试题广西南宁市2024届普通高中毕业班第二次适应性测试数学试题(已下线)期末押题卷01(考试范围:苏教版2019选择性必修第二册)-【帮课堂】2023-2024学年高二数学同步学与练(苏教版2019选择性必修第二册)江苏省苏州实验中学2023-2024学年高二下学期5月月考数学试题福建省龙岩市上杭一中2023-2024学年高二下学期5月月考数学试卷(已下线)专题04 高二下期末考前必刷卷02(提高卷)--高二期末考点大串讲(人教A版2019)
解题方法
10 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c4a353b42ff971c631a6e782395f4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/604be75720c5872eccf7777a52334db9.png)
A.![]() | B.0 | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-16更新
|
742次组卷
|
2卷引用:2024届内蒙古呼和浩特市高三第二次质量数据监测理数试卷