名校
解题方法
1 . 在
中,内角
所对应边分别为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.若点![]() ![]() ![]() |
B.若满足![]() ![]() ![]() ![]() ![]() ![]() |
C.若点![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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名校
解题方法
2 . 如图,正四面体
中,点
,
,
,
,
,
分别是所在棱的中点,则当
,
(
),
,
(
)时,
的所有可能取值共有______ 种.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495fbf56b3023539b59f7bcee29acc70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5002f030017f6f0b34a61b2e15c5a9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f762938f5c78eb72bafbb13bf85cba1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b832048aa929fbb3542f1ccfccb6fe19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b5f7dc5b8ac574f04a553ef2c655a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd3303389152d2d7901dcf00fae3f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249b92e30f3808f5287db70a9eec6a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd304d8f1b813677ec46eadde85cead2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995f58d97a7157a6b9804f811704f9a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b71af6590f0f369c164a054a8b63bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b249d990738a57edd39793fb8ed33707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c196b8785cdd8f16da203f729dcbaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7d9712c3b25f3030e166e136d3a4686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f04a7c7b93bb0ad30160b816bc34096.png)
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3 . 在平面内,设
,
,
,
,
,
,
,则以下结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420ad6159fc091d6a5ffddf0676d2662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f8173bb7787b6b107acfe767dd1d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df562e0b5e79dc61601aa6666e6f516d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf9fde879db30f15083c0c342638c3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8c00d9c20e83cb187ab992771ec651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e16d81d266f24698696a81ed5e007680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa363070e9ec729ceb37e480e3552836.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() ![]() |
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4 . 我国汉代数学家赵爽为了证明勾股定理,创制了一幅“勾股圆方图”,后人称其为“赵爽弦图”.如图,它是由四个全等的直角三角形与一个小正方形拼成的一个大正方形.已知
为线段
的中点,设
为中间小正方形
内一点(不含边界).若
,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e85b13f066276aa322220b751f83ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611f100dcfa7803db6eb233e2e7f2dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40589d93cad7b5ff6ea4c8c6a36e1f04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2022-07-02更新
|
1749次组卷
|
12卷引用:河北省定州市2021-2022学年高一下学期期末数学试题
河北省定州市2021-2022学年高一下学期期末数学试题湖南省多所学校2021-2022学年高一下学期期末联考数学试题甘肃省白银市2021-2022学年高一下学期期末考试数学试题(已下线)6.3.1平面向量基本定理(精讲)(1)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)重难点:平面向量综合检测(提高卷)(已下线)9.3.1 平面向量基本定理-【题型分类归纳】2022-2023学年高一数学同步讲与练(苏教版2019必修第二册)(已下线)第五篇 向量与几何 专题12 等和线 微点2 等和线定理及其应用(二)(已下线)第6章 平面向量初步-【优化数学】单元测试能力卷(人教B版2019)(已下线)专题4-1向量性质与基本定理应用-2(已下线)第一次月考填空题压轴题十四大题型专练-举一反三系列(已下线)高一下学期期中复习填空题压轴题十七大题型专练(1)-举一反三系列(人教A版2019必修第二册)重庆市杨家坪中学2023-2024学年2023-2024学年高一下学期5月月考数学试题
2020·全国·模拟预测
名校
5 . 已知向量
,
满足
,且对任意
,但有
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e50b1eaa312829ac4cfeabdf7cb7e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc4b1a64f0aa6f8623d7614dcc183f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786283f7857466025924f4afcbb7328a.png)
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6 . 设x轴、y轴正方向上的单位向量分别是
、
,坐标平面上点列
分别满足下列两个条件:①
且
;②
且
;
(1)写出
及
的坐标;
(2)求
的坐标;
(3)若△
的面积是
,求
的表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc1480988d26abda64d9a4d20674ab76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89cdb00326a922074494892c166aeefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ae2df3cfe81200ae0bf898612c93cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d37882749aa24648a00cbf1b6ac504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba11c64701e24d76699ce3540b0de76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79dcb1c9ae679a2c9d39cbe3aef4026e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdb889e41dc848490eeea1974a47650.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7179a1cec8c930d7c6afcaee2c4d908f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/badbf0073031a679eb0caa32f42600ef.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099448be5ba5b5ed61a197916a6bd8b4.png)
(3)若△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1358519202b1299715f79cf147e6436a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4560c3ab498f2b5aaef05df664315703.png)
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7 . 在直角坐标平面内,已知
,其中
为正整数,对于平面上任意一点
,记
为
关于
的对称点,
为
关于
的对称点,…
为
关于
的对称点.
(1)求向量
的坐标;
(2)对于任意偶数
,用
表示向量
的坐标;
(3)当点
在函数
图像上移动时,点
形成的是函数
的图像,其中
是以3为周期的周期函数,且当
时,
,求:函数
在
上的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f47f34cde5bbfb39cb6daf0db92f90a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ea50db79b18d8700cfa2559ff5e2d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12787674cf0f0e71eec9ac3d1727fda4.png)
(2)对于任意偶数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc801f5007dec6cf5183bfd3051fb02.png)
(3)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7356ec98b600ece41f3a6b4bc26a7d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2428921c82d2ace53ade031fa21fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f0499141930680241c2d8fc5bd1922c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f837c94d95e0c7bedc3b49c414a95cb2.png)
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8 . 已知点
,O为原点,对于圆O:
上的任意一点P,直线l:
上总存在点Q满足条件
,则实数k的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd74a2f7eebdbcb3eb206093e36ab82f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259e9a874ba8a4fbc027e01699a81d8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d72d8039d34a214f4f066c4f420d927d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/570012fd49634261e758582c5a789524.png)
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名校
9 . 已知
是半径为
的圆
上的三点,
为圆
的直径,
为圆
内一点(含圆周),则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada9327eddc717e969ebdc7789f10577.png)
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