解题方法
1 . 已知
,且
,则
与
的夹角为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639059f31653c7be5832b9ed889f7433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f2f6cbdc2224ce2b6d86ad845e5f8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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2 . 设
、
是两个命题,
:
且
,
;
:
,
.则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8519d4413f596a060167910b5dde6973.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eecacbdc5c2a7e7ac00daea8c448098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ff78c424f14dd588ec83be91f16a69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adad9633b73dfbbb3d84b4f15979e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6d0a24375bd6e914d7243a436e02ee.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 执行如图所示的程序框图,若输入的
,
,则输出的
为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/91deb0d3-3771-4c76-8718-294b4802d6e0.png?resizew=108)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7288d0b18af1a4be7f8df09af45df1c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/91deb0d3-3771-4c76-8718-294b4802d6e0.png?resizew=108)
A.![]() | B.1 | C.![]() | D.![]() |
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4 . 已知直线
是函数
(
)图象的一条对称轴,将函数
的图象向右平移
个单位长度后得到函数
的图象,则函数
在
上的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8973254e0eeb29a0add0e4677ce5337b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4e43b31d1fb468315af048af3be9a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb61a448347a3f8c1f126d1c00730cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290710d643ab6cd3b9edd73815b1d8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7466d2055b1e49baea19e7e13cf97b77.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知函数
,
,则下列判断不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef426c088393d07d89138a55f3a7e482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.直线![]() ![]() |
您最近一年使用:0次
2023-03-20更新
|
286次组卷
|
2卷引用:陕西省渭南市蒲城县2021届高三下学期第三次对抗赛理科数学试题
名校
解题方法
6 . 已知单位向量
,
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf2a584bf648359f19040f29eb4f228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd01707e8d32f277b83c007a5b15bd7.png)
您最近一年使用:0次
2023-03-19更新
|
399次组卷
|
2卷引用:陕西省榆林市神木中学2021届高三下学期适应性考试理科数学试题
7 . 如图,在四边形
中,若
,则四边形
一定是( )
![](https://img.xkw.com/dksih/QBM/2023/3/18/3197119966871552/3198002801115136/STEM/eb5376a41cc546918bb98f857ef108aa.png?resizew=229)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0976cbb3e530534bb731adab5400a3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/2023/3/18/3197119966871552/3198002801115136/STEM/eb5376a41cc546918bb98f857ef108aa.png?resizew=229)
A.菱形 | B.梯形 | C.正方形 | D.矩形 |
您最近一年使用:0次
名校
8 . 将函数
的图象向右平移
个单位长度后,得到函数
的图象,若
在
上是增函数,则a的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2eddec8ffd91bfb3936c0e14a8902d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3e441923ed3c1a32720d6aeac2f599.png)
您最近一年使用:0次
2023-03-19更新
|
471次组卷
|
3卷引用:陕西省榆林市神木中学2021届高三下学期高考仿真考试理科数学试题
陕西省榆林市神木中学2021届高三下学期高考仿真考试理科数学试题陕西省渭南市临渭区2021届高三下学期三模理科数学试题(已下线)第四章 重难专攻(四)三角函数与解三角形中的最值(范围)问题(A素养养成卷)
名校
9 . 已知函数
,
,则下列判断不正确 的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb6e3cfb4bce76b95f20618807e6a572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
A.![]() |
B.![]() ![]() ![]() |
C.![]() ![]() |
D.直线![]() ![]() |
您最近一年使用:0次
2023-03-19更新
|
461次组卷
|
4卷引用:陕西省榆林市神木中学2021届高三下学期高考仿真考试文科数学试题
陕西省榆林市神木中学2021届高三下学期高考仿真考试文科数学试题(已下线)期中模拟卷(B卷·能力提升卷)-【单元测试】2022-2023学年高一数学分层训练AB卷(人教B版2019必修第三册)上海交通大学附属中学2022-2023学年高一下学期期末数学试题(已下线)期末测试卷01-《期末真题分类汇编》(上海专用)
解题方法
10 . 已知函数
,则下列说法正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35a2602c48e3fcc5bc004a548d7b992.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.点![]() ![]() |
D.函数![]() ![]() |
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