解题方法
1 . 设向量
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af62b622122882a2da860fcf8722ebeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1403d12bcee0eb28218632efff51402c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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解题方法
2 . 若向量
,
,
//
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8f26e38ce9cb805ac4e0fc36dd1d4a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bfb4ce4ce0f71e628e43fb00ac061e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee358fd0126082b11e2be4c49092eef.png)
![](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/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8f26e38ce9cb805ac4e0fc36dd1d4a.png)
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名校
3 . 记
的内角
的对边分别为
,设向量
若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
,则
( )
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6781e7598531663bf84eb55d7bb6f5a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f7a1df960feef63dec4790d63f52279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-19更新
|
584次组卷
|
3卷引用:山西省吕梁市2024届高三下学期4月高考模拟考试数学试题
山西省吕梁市2024届高三下学期4月高考模拟考试数学试题(已下线)第四章 三角恒等变换章末重点题型复习(2)-同步精品课堂(北师大版2019必修第二册)广东省东莞市三校(东莞一中、东莞实验、东莞外国语)2023-2024学年高一下学期期中联考数学试卷
2024·全国·模拟预测
解题方法
4 . 已知平面向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e46a76c316fd0d6db4fc4a7f464292a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aba1590cef81c684691f6b0f115da5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d2040c8864efd5026f82edfed7523e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
A.![]() | B.![]() | C.![]() | D.1 |
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名校
解题方法
5 . 已知平面向量
,若
与
的夹角为锐角,则实数
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942a0c66739c2e437d3b2ed066d81723.png)
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
6 . 向量
,
,
.若
三点共线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1dfc87dc6af7a8485daca14ffd7b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d9d511f65abf8f2090c3418febf664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20db345284ec8b8159b558ada0080837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a65183d238c9bc2be73770717d890683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
解题方法
7 . 已知向量
与
共线,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ef7f0a74110a619673122aeefc7dda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efb9d096b0f20fea61a27251e25819d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da401fb911c9fcb673121eab2d34c4fa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
8 . 在直角坐标系
中,向量
,其中
,若
,
三点共线,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ff4db205d0bb28701aedb35d156cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.2 |
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2024-03-23更新
|
1156次组卷
|
6卷引用:四川省绵阳南山中学2024届高三下学期4月绵阳三诊热身考试文科数学试题
四川省绵阳南山中学2024届高三下学期4月绵阳三诊热身考试文科数学试题山东省德州市第二中学2023-2024学年高一下学期3月质量检测数学试题重庆市第十一中学2023-2024学年高一下学期3月月考数学试题(已下线)第二章平面向量及其应用章末十六种常考题型归类(1)-【帮课堂】(北师大版2019必修第二册)广东省湛江市第二十一中学2023-2024学年高一下学期期中考试数学试卷(已下线)高一下学期期中考试(三角函数、向量、解三角形、复数)-学重难点突破及混淆易错规避(人教A版2019必修第二册)
解题方法
9 . 已知向量
,若
反向共线,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea1ac0f4540dd2bb71a2efb76bd69a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665cac62260d39aafa6a391d95afa38b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.3 | C.3或![]() | D.![]() |
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2024-03-22更新
|
1236次组卷
|
2卷引用:湘豫名校联考2024年2月高三第一次模拟考试数学试题
解题方法
10 . 已知向量
,若向量
满足
,且
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34760bb8621821755b7a4fdf6f4338c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bc2f86fc40219f401e2943a8353bd38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bd5b976df5a24e2f106dc0e46bf8652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83634e314df24df73ae37d25a44d20e3.png)
A.![]() | B.12 | C.20 | D.![]() |
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