解题方法
1 . 已知平面向量
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89d3a156fb9f27be1fed0fcc266607b.png)
A.![]() | B.向量![]() ![]() |
C.与![]() ![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
解题方法
2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aecf2de624cf635f0c31c61ed027766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2024-04-13更新
|
986次组卷
|
2卷引用:四川省南充市2024届高三高考适应性考试(二诊)理科数学试题
名校
解题方法
3 . 若向量
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb079e111a201b3de9a9ec57c9acbeb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c15e71d964c66b22a673ff42594fc0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd79264e130de60a100b001b5d45585c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-12更新
|
1092次组卷
|
7卷引用:四川省雅安市2024届高三下学期4月联考数学(文)试题
名校
解题方法
4 . 设两个向量
满足
,
(1)求
方向的单位向量;
(2)若向量
与向量
的夹角为钝角,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6da1deb5f723260425f1c5a1d6baa6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bca35e52b8430246a1cf96e9e617cce.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb28d7f8daa4a584927820a45b0ea5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc20644e220b5abd6ca29a666760dfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2024-04-12更新
|
467次组卷
|
3卷引用:四川省攀枝花市第三高级中学2023-2024高一下学期第二次月考数学试题
四川省攀枝花市第三高级中学2023-2024高一下学期第二次月考数学试题辽宁省沈阳市沈阳铁路实验中学2023-2024学年高一下学期4月月考数学试题(已下线)专题01 第六章 平面向量-期末考点大串讲(人教A版2019必修第二册)
名校
解题方法
5 . 已知
的内角A,B,C所对的边分别为a,b,c,向量
,
且
.
(1)求角A;
(2)若
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aed3e746ba4faceab675c22f3d39da8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55aa8ab39b859f842fd26246d2c3d463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b5f7053c7a9f7582246ca606d55f6.png)
(1)求角A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21143d45f8a1eec5a18f3b82c78ac217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-04-10更新
|
1279次组卷
|
3卷引用:四川省宜宾市珙县中学校2023-2024学年高一下学期3月月考数学试题
名校
解题方法
6 . 已知
,
,
,
,且
.
(1)求
的值;
(2)求向量
与向量
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c944aa3fe9dfb03151a5b7e5af6e0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7528af6a06e4c80770857a41112acfc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/312c96c4243f2a7dd6fae4d78113e3ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4c9cbfde5f605ada0db6f0ef6ccd93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/242b0af4f33851007b2052508dd3790e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5e0c3d054939ae02fb12a31ef91293.png)
您最近一年使用:0次
2024-04-10更新
|
416次组卷
|
3卷引用:四川省成都市玉林中学2023-2024学年高一下学期4月诊断性评价试题数学试题
四川省成都市玉林中学2023-2024学年高一下学期4月诊断性评价试题数学试题黑龙江省哈尔滨市第三中学校2023-2024学年高一下学期第一次验收考试数学试卷(已下线)专题03 向量的数量积-期末考点大串讲(人教B版2019必修第三册)
名校
解题方法
7 . 已知向量
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6208cbf9f9ca96d25ac39d654553764.png)
(1)若
,求
的值;
(2)若
,
与
垂直,求实数t的值;
(3)若
,求向量
在向量
上的投影向量的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/774909e062a8c06f4f6ba5c042714863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6208cbf9f9ca96d25ac39d654553764.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c614d6e051a673022d30c281cdec20c2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c42206793edde00d2d43cd07adf78366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f1e58b02067b0b912e399bae5c3c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bf31d9d07e454de95bf2878ede921a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b12fe9a4054ffbacca1b995751969a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次
2024-04-01更新
|
871次组卷
|
3卷引用:四川省内江市威远中学校2023-2024学年高一下学期期中考试数学试题
名校
8 . 如图,已知正方形
的边长为
,且
,连接
交
于
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0016df9b96f68fd427d8c4347b34f6.png)
________________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6e27f4123ab84f5880a2b32bc4c4a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c0016df9b96f68fd427d8c4347b34f6.png)
您最近一年使用:0次
2024-03-30更新
|
340次组卷
|
4卷引用:四川省眉山市仁寿县两校2024届高三下学期第三次模拟文科数学试题
名校
解题方法
9 . 已知向量
,
.
(1)若
,求
的值;
(2)若
,
与
的夹角为锐角,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f540c2bd7f17fddb9d4869e424df01.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ea473143b7a3e023ca6a32a2db2e10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f24dca886ff041aa818906cc8f7d975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-03-29更新
|
337次组卷
|
2卷引用:四川省南充市嘉陵第一中学2023-2024学年高一下学期4月期中考试数学试题
名校
10 . 已知向量
.
(1)若
,求
的坐标;
(2)若
,求
与
的夹角.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3951459b0b41d952470ee328216d3a0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1afa49dbaa99a0d7a7a6d18b3fe42091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080c59fa245c878e89cb6a96bc6a0fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
您最近一年使用:0次
2024-03-24更新
|
1088次组卷
|
3卷引用:四川省射洪中学校2023-2024学年高一强基班下学期第一次学月考试(4月)数学试题