解题方法
1 . 已知
,
是单位向量,且
.若向量
满足
,则
的最大值是______ .
![](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/a2cc1f1ef9ad32eef62aefa4c3fc3d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41d61d76db9af8f375acaa0d6c45ce9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83634e314df24df73ae37d25a44d20e3.png)
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名校
解题方法
2 . 如图,单位向量
,
的夹角为
,点
在以
为圆心,1为半径的弧
上运动,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/b6da9ea780ba5e54f3be57b4a7bb12b1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/28/bb04e15f-7e61-4ab5-83fe-ea26060bbc7d.png?resizew=99)
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2023-02-25更新
|
2420次组卷
|
8卷引用:吉林省东北师范大学附属中学2022-2023学年高三下学期第二次模拟考试数学试题
名校
3 . 已知
和
是平面内两个单位向量,且
,若向量
满足
,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f021e5e80d0715df6479fc79df1970d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a0b19e69be46452425916a0fcb49c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb21d6e45fbbdc060a4276fe31ac3e01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26abac73b9cb1af5c5d8e8c2dd136bbb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-11-17更新
|
820次组卷
|
5卷引用:吉林省长春市长春吉大附中实验学校2022-2023学年高三上学期第三次摸底考试数学试题
吉林省长春市长春吉大附中实验学校2022-2023学年高三上学期第三次摸底考试数学试题(已下线)第11讲 平面几何的向量方法湖北省武汉市新洲区部分学校2022-2023学年高二下学期期中联考数学试题(已下线)重难点突破02 活用隐圆的五种定义妙解压轴题(五大题型)(已下线)专题06 平面向量的坐标表示(2)-《重难点题型·高分突破》(苏教版2019必修第二册)
名校
解题方法
4 . 半径为4的圆O上有三点A、B、C,满足
,点P是圆O内一点,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aec49125d023e5e783ccf436c7b8c2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbeec965c6d5d4a41fd738043fa686d.png)
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5 . 边长为
的等边三角形
中心为
,
是边
上的动点,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b4bdf47ebf15e6b711d76f66b53405.png)
A.有最大值![]() | B.有最小值![]() | C.是定值![]() | D.与![]() |
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解题方法
6 . 在等腰直角
中,
,
为
边上两个动点,且满足
,则
的取值范围为______ .
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572686382718976/1572686388396032/STEM/7edacb035c244daba9b159d85931ca07.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572686382718976/1572686388396032/STEM/24280134c72448138aab17639cad0173.png?resizew=175)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572686382718976/1572686388396032/STEM/e1ed446430c949818c7363c07e9895bb.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572686382718976/1572686388396032/STEM/b26619c6f5774fb8a9a741a70dba6098.png?resizew=28)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572686382718976/1572686388396032/STEM/12b6308753b94c30ab00f3ba9308e7e0.png?resizew=72)
![](https://img.xkw.com/dksih/QBM/2016/6/1/1572686382718976/1572686388396032/STEM/befb21546ffe4fa492ff8c84644430ff.png?resizew=61)
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