解题方法
1 . 已知
中,
,
,
在边
上,且
,
是
边上的中点.若
与
交于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efac2a61e5cc9669c2fbb74ddeb2fb82.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee66d4667c62551ce2e6250a9612864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10d98353456edd0f2973e97ea0dbe6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0cedfb76e95ae3371fad58069554ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efac2a61e5cc9669c2fbb74ddeb2fb82.png)
您最近一年使用:0次
解题方法
2 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d827cb710bcd96f2376925a83bcf8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af0bad7b884a76cee38a45b773a6626.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 将函数
的图象向右平移
个单位长度后得到曲线
.若曲线
关于原点对称,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9b69c6bae63a11fac5d5e7509d5c68.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87490c3c871f06ed588467319792ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b761fd995881a8039dc2d7e82f3a6210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a1e7dacfe6510305d4d12ca46b5111.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知向量
,则
与
的夹角为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475163f07db29b7db3769479d18c8965.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
2024-05-08更新
|
719次组卷
|
7卷引用:江苏省连云港市板浦高级中学2023-2024学年高一下学期第一次学测考试数学试题
江苏省连云港市板浦高级中学2023-2024学年高一下学期第一次学测考试数学试题江苏省镇江市十校2019-2020学年高一下学期第一次月考数学试题(已下线)6.3.5平面向量数量积的坐标表示(分层作业)-【上好课】(已下线)模块一 专题4 平面向量的数量积 A基础卷(人教B版)(已下线)模块一 专题5平面向量的数量积 A基础卷(北师大版高一期中)(已下线)专题6.2 平面向量的基本定理及坐标表示(讲)- 2022年高考数学一轮复习讲练测(新教材新高考)湖北省新高考2021-2022学年高三上学期12月质量检测巩固卷数学试题
名校
解题方法
6 . 已知向量
,
.
(1)求|
的值;
(2)若向量
与
平行,求k的值;
(3)若向量
与
的夹角为锐角,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1be3c2c31526cdcddfde5c6a143dca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edae663c46f4ebd90f3fdd203af6ac0b.png)
(1)求|
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4336e15cd9b12893426bbf7bba3a2353.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b625b8d3178dd0ea451a80a63082c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437dc907211c5934f938d869f6b19e93.png)
(3)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b625b8d3178dd0ea451a80a63082c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437dc907211c5934f938d869f6b19e93.png)
您最近一年使用:0次
2024-05-08更新
|
341次组卷
|
2卷引用:江苏省连云港市板浦高级中学2023-2024学年高一下学期第一次学测考试数学试题
7 . 已知
,
是关于
的方程
的两根,其中
,
.若
(
为虚数单位),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b800b7d6a688abf8a3018c133cec9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f306d2b261f4c39a9fc0858d96e647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df87d92b8cf1789f877fbbf39afbdc4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
8 . 复数
与
分别表示向量
与
,则表示向量
的复数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08031dbbe2675d637111bee35971f37f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ddd40fe0ea59e90db3d4bed1f7a965.png)
![](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/083a20abb668d4c26fe5039bd108b40a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 在
中,
分别为角
,
,
所对的边,已知
,
.
(1)若
的面积等于
,求边
;
(2)若
,求
的面积;
(3)求
周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.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/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0334bc85843337c4dfcfdc5c638f9f62.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a581323797e6d0219b5b240e957b82f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
名校
10 . 下列说法正确的是( )
A.设![]() ![]() ![]() ![]() |
B.设![]() ![]() ![]() ![]() ![]() ![]() |
C.设![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() |
您最近一年使用:0次