1 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5627d486e68b1b887a1d35b167dfd38c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de82c0cdb265f4d1177ae30f91874e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-10-30更新
|
103次组卷
|
2卷引用:云南省大理市大理州实验中学2021-2022学年高一上学期期末考试数学试题
2 . 已知半径为
的圆
中,弦
的长为
.
(1)求弦
所对圆心角
的大小(用弧度制表示);
(2)求
所在的扇形的弧长
及弧所在的弓形的面积
(即弧线和弦围成图形的面积).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
(1)求弦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
3 . 已知二次函数
,
且函数
的最小值为
.
(1)求
解析式;
(2)若函数
在
上的最小值为
求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccc0fadea23528a220ba697cddacf6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a5473402bf857ed42f4084e7e6f0cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e66ddb71d7322715f69ca56711872fde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abfa10fb5e4a271615aa41f2bccefbdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a9ac181a2f54220ff47195bcf11048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
4 . 已知
的三边长分别为
,
,
,且满足
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c64e818565e32a182a1f262071b54d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b246aa3b56becc905d3fb64c6d5ec4a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 下列函数在区间
内存在零点的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 函数
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4656af1120215a1e440d3df63062199b.png)
A.奇函数,且在![]() | B.奇函数,且在![]() |
C.偶函数,且在![]() | D.偶函数,且在![]() |
您最近一年使用:0次
7 . 在如图所示的多面体中,
且
,
,
,且
,
,且
,
平面
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/91f1bc1b-2560-4872-83db-18a079f5a59b.png?resizew=152)
(1)求证:
;
(2)求平面
与平面
夹角为锐角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dceb5cc71fc50f20649f6b9535fd914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e839ac941e8bf536ff35a12e56c7a400.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c09cc23b4cf8629a3aeb51ee5f8a80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66514e4d9ad91dbc0cc4330de68a29e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f00e13397b8987d5fa1af68756709fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755d575f0a87f3345e232b66d5956070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cf187bc2ede965870b90757b495f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b091ee5a8b32424b2b836dde7860c7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/6/91f1bc1b-2560-4872-83db-18a079f5a59b.png?resizew=152)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5962e313ee2fc020c2e08b63ce9c17a5.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926584088b939200d88e64318f2d4e6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6541c0cb89f08aa4c937c0beb915e0a7.png)
您最近一年使用:0次
8 . 函数
在
上单调递减,则
的范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ec854ec1a73a6d530227e6da62f1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1257dbc4e0e0de01c7adc1095e4f743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-01-05更新
|
158次组卷
|
2卷引用:云南省大理市大理州实验中学2021-2022学年高一上学期期末考试数学试题
9 . 设集合
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a2e90f59dd9b5784a0a7720a522c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cf709b155bb923f5de4c0504c7077eb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 已知各项均为正数的等比数列
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9378aa39b0f34562fda4c1e9065a83b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeef399c0c7e54c90d1cec3eb8b42d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62eaf09bb946feb2806a2725369891f8.png)
A.7 | B.8 | C.9 | D.10 |
您最近一年使用:0次