名校
1 .
的值是0.5 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fca5bb0e5ad02f2dca2f7dd602a10df.png)
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2 . ①命题设“
,若
,则
或
”;②若“
”为真命题,则p,q均为真命题;③“
”是函数
为偶函数的必要不充分条件;④若
为空间的一个基底,则
构成空间的另一基底;其中正确判断的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732a985eacdc6ba016d8a94d8fcf481f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de81985bd38d22c1ad3d1cbb920653f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecdc78c604b10eba14ae694c84921076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122ddff86634a930acc45c03f3af7054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1df335ab145ac291268ef49c1151f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8d2051594370095e72e173fd95888a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d4db35074d43535a9f220efd7facaf8.png)
A.1 | B.2 | C.3 | D.4 |
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名校
解题方法
3 . 已知
的面积为2,其外接圆面积为
,则
的三边之积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.8 | B.6 | C.4 | D.2 |
您最近一年使用:0次
2021-09-15更新
|
267次组卷
|
2卷引用:江西省贵溪市实验中学高中部2021-2022学年高二(三校生)上学期期末考试数学试题
名校
解题方法
4 . 设函数
.
(1)求函数
的最小正周期;
(2)求函数
在区间
上的最小值和最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e4df82c54326685ca00bdb70dba0cd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cefdc6d93d35bac573547e2a662a049.png)
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5 . 如图所示,在
中,
,D是BC边上的一点,
,
,
.
![](https://img.xkw.com/dksih/QBM/2021/6/30/2754118668337152/2757531683160064/STEM/45235d07-8fa0-4fb3-9be0-e6e3b2de7d7d.png?resizew=266)
(1)求
的值;
(2)求AB的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/810a2cc3f61a961c1196fbd0e11caabb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f186ea827f7becafd1ac4955e22c6812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40560ea08d6cd8c1d4d9661ee6faaa3b.png)
![](https://img.xkw.com/dksih/QBM/2021/6/30/2754118668337152/2757531683160064/STEM/45235d07-8fa0-4fb3-9be0-e6e3b2de7d7d.png?resizew=266)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba1883c53ebf30a9e53e9b7f3bce4ba.png)
(2)求AB的长.
您最近一年使用:0次
名校
6 . 在
中,角
,
,
所对的边分别为
,
,
,且
.
(1)求证:
;
(2)若
,且
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/5b74f6929393d07a9399ae179479bf71.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b05d3b8f5c9df891ef6fbcaf12f43207.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa1466856bf2570685d3629c1f813748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
名校
7 .
的值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb5f61c9defaf1c85989ea9f895240bf.png)
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解题方法
8 . 已知
,且
是第三象限的角,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/277e9a75b7ec584398950db026cdd534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a080cab44a7d3605430d67b207f9be.png)
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名校
9 . 在
中,
,
,
的面积为4,则边
为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d62e60396295cd74d03e38978405bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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名校
10 . 函数
的最小正周期为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bde0d7ff5d2d0b227557e5ca94d38ca.png)
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