名校
1 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d450aea0fb89e956fc4caa3a9c59fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141e07561c99a651aee3139a86a7cfdb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-08-17更新
|
1305次组卷
|
2卷引用:吉林省梅河口五中2016-2017学年高一下学期期末考试文数试题
名校
2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dce7587b4c86b491bbd20f29771292.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dce7587b4c86b491bbd20f29771292.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a642e3f37ab084e7c03d048a463cf97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d450aea0fb89e956fc4caa3a9c59fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a642e3f37ab084e7c03d048a463cf97.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 已知向量
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58971cb3514d7ba1c05a46dc076a8501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38a4a0911a4ddb5685d2026713c491c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-08-17更新
|
159次组卷
|
4卷引用:吉林省梅河口五中2016-2017学年高一下学期期末考试理数试题
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解题方法
5 . 已知平面向量
,
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d2807ecc81d36bee4048fa4d570895d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2cfcad001f134dfaab9460b29a3c08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7b0e8fb4a348253745a5e87faeca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d845f57379ba14aba02c888c67e1d642.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
6 . 已知平面向量
=(1,-3),
=(4,-2),
与
垂直,则
是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff409cd3886c767afb13c9a869c5f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6570cd7c2f81c9fcffd2c64664f1564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26fa2bfafbe07621c9c2026767c75bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff409cd3886c767afb13c9a869c5f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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7 . 与向量
=(-5,12)共线的单位向量的坐标是__________________ .
![](https://img.xkw.com/dksih/QBM/2017/7/18/1732690191048704/1733773685620736/STEM/07c243b68833447cb85bc96f69ed0bd8.png?resizew=13)
您最近一年使用:0次
2017-07-19更新
|
86次组卷
|
2卷引用:吉林省长春外国语学校2016-2017学年高一下学期期末考试数学(文)试题
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8 . 已知
,向量
与
的夹角为
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79573056d66b2779294109afeb2ca6e.png)
![](https://img.xkw.com/dksih/QBM/2017/7/18/1732690191048704/1733773685424128/STEM/ff55b58a42294efd8cfc6c49e9987013.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2017/7/18/1732690191048704/1733773685424128/STEM/ff265a1cd8d34ca9986c75e618ee316b.png?resizew=13)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d716f2f7c457cd68ebe38672ab23873.png)
A.![]() | B.![]() | C.2 | D.4 |
您最近一年使用:0次
2017-07-19更新
|
68次组卷
|
2卷引用:吉林省长春外国语学校2016-2017学年高一下学期期末考试数学(文)试题
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解题方法
9 . 已知函数
,记函数
的最小正周期为
,向量
,
,
,且
.
(1)求
在区间
上的最值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87302d5fb04f9a7165d83a0e2764b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306c64ecfee86cf6f0e6cfc57840b795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6fd2a005f0bb9f53fa50d74077372bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56b4505c63eafdf91d7c22178484c10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa76822b59b54866aee7a852cdae8daa.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6f4d3df073e16cc8a557db67f97676.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1975c3c406e39ecd687b96f6576f3e7.png)
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2017-07-16更新
|
433次组卷
|
4卷引用:吉林省实验中学2016-2017学年度高二下学期期末考试数学(理)试题
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10 . 函数y=cos(2x-
)是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953b78787e8b2454510bedbfa14b7167.png)
A.最小正周期为![]() | B.最小正周期为π的奇函数 |
C.最小正周期为![]() | D.最小正周期为π的偶函数 |
您最近一年使用:0次