名校
1 . 已知向量
,
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e1fe21635162c92efd05a3ac174e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/379c842de8893b0f6179f0582e99804e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a683d9cd5f84e07bc351819d9dd96df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11042e4d0e1a076a9a5a6b2611db5256.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
您最近一年使用:0次
2020-01-07更新
|
500次组卷
|
2卷引用:江苏省淮安六校联盟2019-2020学年高三年级第三次学情调查理科数学试题
名校
2 . 已知平面上三个向量
,
,
,其中
.
(1)若
,且
,求
的坐标;
(2)若
,且
,求
与
的夹角.
![](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/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f726edf8cca26e1011faa7101c506e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eca8fb20438505791369da9abe4a804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6433f98b702100f5fba0844361be7051.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95266998c21cc0d8a84c35c7e21f6d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04454a8451c9765dc353b35156473a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
您最近一年使用:0次
2020-03-05更新
|
608次组卷
|
2卷引用:河南省信阳市息县一中2018-2019学年高一下学期第七次阶段性考试数学(文)试题
解题方法
3 . 设向量
,
,其中
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec258aa49732d04cd2e67f15e4444985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e189faedbb89130454ca3fc56924ece8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f201f6e84279e80b85f394f4d930ed41.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa5aa846a5b7c96fe2ce665eb1ea5f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75bb3b70b00ebe7a0c45bdd1426a02bb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/864ae1ed052913e53388fb1ba9fd5e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7793bfd801e2592b1e1e3f61a308ce.png)
您最近一年使用:0次
2020-03-02更新
|
779次组卷
|
3卷引用:江苏省盐城市2018-2019学年高一下学期期末数学试题
名校
解题方法
4 . 已知向量
,
.
(1)求
的坐标;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/501b28ee1853ad06e1e224cec7e57bc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67584e2063b8190b096eda30501e596b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8827d05338e55f9b60f882d66492ff70.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ffc403ded5faedb326b83d5d3f69a30.png)
您最近一年使用:0次
2020-02-19更新
|
1540次组卷
|
6卷引用:浙江省绍兴市2018-2019学年高一下学期期末数学试题
浙江省绍兴市2018-2019学年高一下学期期末数学试题(已下线)专题6.3+平面向量的基本定理及坐标表示(A卷基础篇)-2020-2021学年高一数学必修第二册同步单元AB卷(新教材人教A版,浙江专用)重庆市实验中学2021-2022学年高一下学期期末复习(一)数学试题福建省南安市柳城中学2021-2022学年高一下学期期中考试数学试题福建省泉州市德化第二中学2023-2024学年高一下学期3月月考数学试题重庆市涪陵第五中学校2023-2024学年高一下学期第一次月考数学试题
解题方法
5 . 已知向量
(1)若
,求角
的集合;
(2)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba28fc831fb28ef11b73ec3a4bbf4758.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89879d3524590fe7d253b6e3086de649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79889a063b2c56f4b8bb825949cec057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba648b28ce3a5048531784efdb8195f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4993f44688c322814b49141a27623e8.png)
您最近一年使用:0次
名校
6 . 已知
中,
,设
.
(1)若
为斜边
的中点,求证:
;
(2)在(1)的条件下,若
为
的中点,连接
并延长交
于点
,求
的长(用
表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f149e83812e72efd7dd3dfc78d0134ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216baef78c1936cc498b4d0e318dd32b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c71622531dfa894f21b2da123d020d24.png)
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c7c553d0f15facbbd2f35bc728d32b.png)
您最近一年使用:0次
2019-10-09更新
|
137次组卷
|
2卷引用:人教A版 必杀技 第二章 平面向量 2.5.1 平面几何中的向量方法+2.5.2 向量在物理中的应用举例
7 . 已知向量
和
,
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a6e430ba920718406796c6813ce13e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80a482ab449cac691431ab4c704604a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7213e4d36a6071452a2cd407a3dea82d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35decf75f72298a449621958df6d611.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27205c1f08e5c989c26ec43a3457186f.png)
您最近一年使用:0次
2019-10-09更新
|
424次组卷
|
4卷引用:2005年普通高等学校招生考试数学(文)试题(山东卷)
8 . 如图,已知
、
、
,设向量
是与向量
垂直的单位向量.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/5dd10f16-3ea5-42a1-83b6-2a28d650b777.png?resizew=153)
(1)求单位向量
的坐标;
(2)求向量
在向量
上的投影;
(3)求
的面积
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59f0e35b7ae5206e45878934482b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c243e157dd5eadab28c7378b5af703a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9988951f970f0195a18cccc981e0d6fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe35c91649a5bea2518387a2b36e0c0d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/5dd10f16-3ea5-42a1-83b6-2a28d650b777.png?resizew=153)
(1)求单位向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
(2)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436b63e793d6d39990341d29cf47f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58195e8ee6f342c1641d9e88ff986f56.png)
您最近一年使用:0次
9 . 已知向量
,
,且
.
(1)求向量
的夹角
;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e15cae17b576f89cac74f2faf9b468f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778bb67005c47d1fbc35962d22fe0bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e70884d37d97392ce87c0de38e3a6c.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4eabc306d6c42469104627a1ecd00be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667e7029b2aedf2ee59e6ea39c00e875.png)
您最近一年使用:0次
2019-09-11更新
|
368次组卷
|
2卷引用:四川省自贡市2018-2019学年高一下学期期末考试数学(理)试题
10 . 已知向量
,
,其中
.
(1)若
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1103308e48e0a56ab1ecc91d96dcfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/785126a0e6ced4afca7366026db29071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dcadd1781ee9177e9bc76ce48afdd0a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a683d9cd5f84e07bc351819d9dd96df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/951978553810e7c65add6ad8df0725f0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/101c064c0613bf38657ee27baaf4c924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次