名校
解题方法
1 . 已知向量
,
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58bd1a105b5b339da0200ff7f0be767b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b8583acf0b89997429dbbaa837c3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52380d7e39e132e38d401d3981dc091f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03481e6a73207be03fdbc1f8e9965b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d700e4e9f5077f02841f737b22fcd623.png)
A.![]() | B.24 | C.![]() | D.12 |
您最近一年使用:0次
名校
2 . 已知向量
,
,
(1)若
,求实数
的值;
(2)若
,求向量
与
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9083888b0d8a168a46a983575dba2820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b21e6df500c68ff7a9ae440511b9fb4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/568277c7a425c0ee42f15c8f08fd08a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9747e75a539f594ae8bbd854e6a43089.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
2024-05-04更新
|
586次组卷
|
3卷引用:四川外语学院重庆市第二外国语学校2023-2024学年高一下学期期中考试数学试题
四川外语学院重庆市第二外国语学校2023-2024学年高一下学期期中考试数学试题(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)湖北省襄阳市第五中学2023-2024学年高一下学期5月月考数学试题
名校
解题方法
3 . 已知
,
是平面内两个不共线的向量,若
,
,
,且
、
、
三点共线.
(1)求实数
的值;
(2)若
,
.
(ⅰ)求
;
(ⅱ)若
,
,
,
,
恰好构成平行四边形
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2743ce4a6d6a7aa5cc912f7a65649f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef395ca3de9e8b37b9d5d7195f058ef8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c70156c179b7c3250db28f7465af9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb66f1c51926ae8f6bcf741f991bc2db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0a02dc6938610b3073c7bf270c9c61.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89265cbe3abc6b966ce8967fead448b.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/295b2af7cdb9923da9076af4efb99de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
2024-05-04更新
|
502次组卷
|
3卷引用:重庆市南开中学校2023-2024学年高一下学期期中考试数学试题
名校
4 . 在直角梯形ABCD中,已知
,
,
,
,
,动点E,F分别在线段BC和DC上,线段AE和BF相交于点M,且
,
,
.
(1)当
时,求
的值;
(2)当
时,求
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd8e727e4efc22b49649f71ae9c9d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9060f03b9ee41d70d135b1e1a8902ce9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d03acb29a5812acad760d564d6c84be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5082eb435334ecffdb14af23b8f6d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b8e5990ef4ef314941a3154457a9d4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee4ccc58302fcd9979fcc0dd323c9dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441809d6ce2df21a85b390cdce9b1112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45fca2ee58662a66a2bbf61b0330f61.png)
您最近一年使用:0次
名校
解题方法
5 . 已知
,
,若
,则实数
( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5d205879cac5643927b05995cd12b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0f1318945f75a2162e0593b4c436c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28c540df469f16531cf95117446e1752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.3 | B.![]() | C.6 | D.![]() |
您最近一年使用:0次
2024-05-02更新
|
359次组卷
|
2卷引用:重庆市朝阳中学2023-2024学年高一下学期5月月考数学试题
名校
解题方法
6 . 在等边
中,点
是
上靠近点
的一个三等分点,点
为
的中点,
交
于点
.
,求
的值;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858f1c33f0728a527175002707b6c67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54f65e6841b5b0a8deba7a3b20f866ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-04-29更新
|
354次组卷
|
2卷引用:重庆市朝阳中学2023-2024学年高一下学期期中考试数学试题
名校
解题方法
7 . 在
中,角
所对的边分别为
,且
.已知向量
,
.
(1)求角
的大小;
(2)若
,求
周长的取值范围.
![](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/55a53cdfd02f840f55c72dbb4d0607c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98049b52e97fb6c4981ebc00e6b315b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d3fb27bbf060ab1b998a3387c2aebc.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-04-26更新
|
1196次组卷
|
2卷引用:重庆市朝阳中学2023-2024学年高一下学期5月月考数学试题
名校
8 . 若向量
,
的夹角为钝角,则实数
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a08ed47d6563ffa369eec7374cccffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561cc642b0c9fc77fcc5790324430274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
9 . 已知向量
,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b972398724909e2a3a5b250275eea2c8.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.![]() |
D.若![]() ![]() |
您最近一年使用:0次
2024-04-17更新
|
598次组卷
|
6卷引用: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
名校
10 . 如图,在
中,点
满足
,
是线段
的中点,过点
的直线与边
,
分别交于点
,
.
,求
的值;
(2)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4090e869a70edb8917446ff0cdaff71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8954ac84d5a64358d2876a62f2a439b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296f25357d5576fb3ccaff55c091c95c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e6af274b91dde856191e4cba8d30852.png)
您最近一年使用:0次