名校
解题方法
1 . 已知向量
,
.
(1)求实数
的值,使
;
(2)若
,求
与
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d769ab21af5365d3c00dc617375ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/076a44dc5e5fe677c26afd8530c2e200.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bb93613882e69c9c028189d81d87df.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06c8eae3652486cf9e416ce3a8ffc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd8bbf47b69bbd7a6263b041290d11.png)
您最近一年使用:0次
2023-07-05更新
|
372次组卷
|
3卷引用:上海市徐汇区2022-2023学年高一下学期期末数学试题
解题方法
2 . 已知向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ead6bd699406b768d13b58ea738c2bb.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/701e302b2638b15fda2a1dab9605192f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ead6bd699406b768d13b58ea738c2bb.png)
您最近一年使用:0次
2023-06-20更新
|
215次组卷
|
4卷引用:上海市浦东新区2022-2023学年高一下学期期末数学试题
上海市浦东新区2022-2023学年高一下学期期末数学试题(已下线)上海市高一下学期期末真题必刷02-期末考点大串讲(沪教版2020必修二)上海市奉贤区四校联考2023-2024学年高二上学期期中数学试题(已下线)专题03 平面向量-期末考点大串讲(沪教版2020必修二)
名校
解题方法
3 . 已知向量
与非零向量
满足
.若“对任意满足前式的
,均存在
,使得
成立”,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf1857baa63bf0d6bbe3191a08243a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2332debd751066b660bee427feaa3084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6fbff85947f4df50ae1b17e967a158.png)
您最近一年使用:0次
名校
解题方法
4 . 若
,则
在
方向上的数量投影是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/563a349aaf7584baecb8d03937e54167.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
2022-06-28更新
|
312次组卷
|
2卷引用:上海市上海中学2021-2022学年高一下学期期末阶段练习数学试题
名校
5 . 已知向量
,点
,向量
与
方向相同,且
,则点
的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d14987fc393ac1e82a3336ae99decca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fadc9a19de13ca7688ca93f0c70a8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcd1b99da265dc7ae9be6c7cc21245c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2021-07-12更新
|
490次组卷
|
5卷引用:上海交通大学附属中学2020-2021学年高一下学期期末数学试题
上海交通大学附属中学2020-2021学年高一下学期期末数学试题上海市格致中学2022-2023学年高二上学期10月月考数学试题上海市格致中学2022-2023学年高一下学期期中数学试题(已下线)8.3 向量的坐标表示-同步精品课堂(沪教版2020必修第二册)专题2.3 平面向量的坐标运算-2021-2022学年高一数学北师大版2019必修第二册
名校
6 . 已知向量
,
,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e968508a03c0c471aa56ff426182b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b740b76c8cb1845711f0d6f4275fba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9441d59d8cbe117c92f73a29c463d345.png)
您最近一年使用:0次
名校
解题方法
7 . 已知
,
,
.
(1)求
与
的夹角θ的余弦值;
(2)若
,求实数
的值和向量
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/788fa471d53a8be8dd55f561aecbf99d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18057495029046ad0a4a2b40acacad35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2295e562a936bd94bf101b5ca5d762e8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7557713682c09ec526718378189f9f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
您最近一年使用:0次
2021-01-22更新
|
646次组卷
|
3卷引用:上海市浦东新区2020-2021学年高二上学期期末数学试题
名校
8 . 已知向量
,
.
(1)若
与
垂直,求实数
的值;
(2)若对任意的实数m,都有
,求实数
的取值范围;
(3)设非零向量
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a29b360f552c75ed218c966319f492c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3faf74fe3a181b40775b5c92e0dcf1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0067ea61ac2abd75b17f906c13fd6879.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7cae1180d7aa8a3265a9ae557958130.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若对任意的实数m,都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80da7b55da9319fbf4dd6f1b87a92425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(3)设非零向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc64b3cbf69f83e8720f33c63d713589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa784cbdc33ee8f90e073866c1b1c040.png)
您最近一年使用:0次
解题方法
9 . 已知
,其中
,求
的最大值,并指出
取得最大值时
与
夹角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/372b8c5d45621d86c51db495996f48d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f687593cb4ecef31667bf2320fdfe000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b087875ad7156963406bf36c70c126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b087875ad7156963406bf36c70c126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03b0ab2519d0fb666743993961daee47.png)
您最近一年使用:0次
10 . 定义
是向量
和
的“向量积”,它的长度
为向量
和
的夹角,若
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f09cdcf7e9015d2dedf4fe4d0c9a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fbae8f6a086a4cfc2484f68bdeb3ab.png)
![](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/a856e0f339742006966d5dbd63874b1b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次