名校
1 . 设
为锐角,且
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3557b1ffe4be133ccd4e643226de0ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次
2023-02-07更新
|
532次组卷
|
3卷引用:上海市金山中学2021-2022学年高一下学期3月月考数学试题
2 . 已知函数
在区间
上恰有一个极大值点与一个极小值点,则正实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e13216066c2562c5d4b79fa48ed031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f00f2f6ab162f9333ec55db195d663b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 如图所示,在矩形
中,
,E为
的中点,
.
的值;
(2)设
相交于点G,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072361fee3cf9e224013f6621540a11a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd82ba6151fd7144aadbfb2172e2318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32c94eebcd745ffea7b9f3c760e45b4.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01fe0de370216ac1dee2870ad1390228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32727eb5719db1c126b03259c4a034ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-09-28更新
|
727次组卷
|
3卷引用:北京市THUSSAT2022-2023学年高二上学期9月诊断性测试数学(B)试题
名校
解题方法
4 . 已知函数
的部分图象如图所示.点F为
与x轴的交点,点G、H分别为
的图象的最低点和最高点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/973bd09ae9775d390177e5bc07d091c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d51e31777f82ce5565868926a747bc13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/e3fae6f6-8bc5-4a1b-8a4f-4f8fa840265e.png?resizew=188)
您最近一年使用:0次
2022-09-28更新
|
347次组卷
|
2卷引用:北京市THUSSAT2022-2023学年高二上学期9月诊断性测试数学(B)试题
解题方法
5 . 方程
有_________ 个解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1098c6176ae0af0089a7bac62e10e74d.png)
您最近一年使用:0次
6 . 已知H是
的垂心,
,则
的最大内角的正弦值是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d95efa1c819793a8f03986c508c5c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
7 . 边长为1的正九边形的最长对角线与最短对角线之差等于( )
A.![]() | B.![]() |
C.![]() | D.前三个选项都不对 |
您最近一年使用:0次
8 . 已知函数
的最大值在
处取到,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b7664b1581526c35f3cdbf33d97397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6461468072bd27afd53fd5f9c3bf344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fa2861a5ac376f7b92201a3e9be28c.png)
A.是奇函数 | B.是偶函数 |
C.关于点![]() | D.关于点![]() |
您最近一年使用:0次
解题方法
9 . 已知
是非零向量,且
,设
为任意实数,当
与
的夹角为
时,
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e12e95f703ad30ab9a3d38376830989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f60b0f3a1e29c46e0539a6e84f70f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3143307ad0ba4a631eac04e814993655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddbd4262e3bb64d3132ffb5d233cb33.png)
A.1 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 设x,y,z均不为
,其中k为整数.已知
成等差数列,则依然成等差数列的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53c46f2a39196e032752bda7bc9a82be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0869b4978a7ffcbfd86e000a1db0cb5.png)
A.![]() | B.![]() |
C.![]() | D.前三个答案都不对 |
您最近一年使用:0次