1 . 已知向量
与向量
共线,且满足
则向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a61b7005fda09413fcfea33c3e7b797.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/046e3fa39d773a18e636cf61bf78e71f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/486b6dbcb6d1446252a75d0364584798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a61b7005fda09413fcfea33c3e7b797.png)
您最近一年使用:0次
2020-03-09更新
|
322次组卷
|
2卷引用:山东省梁山一中、嘉祥一中2018-2019学年高一下学期期中联考数学试题
解题方法
2 . 已知向量
,
,
.
(1)若
,求
的值;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16e956ea2960ac57fab07ed4d04ab04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8e3cd770a674183677af55cec363328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec061667fffe477fba94d8bb74aeb8b6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fde8e39a2679babf24eb124ddda20ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59665c0eeeb07aba159098a0b10bd4a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc3bcd990d4f63182dee658872005cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dcadd1781ee9177e9bc76ce48afdd0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
名校
3 . 已知向量
,
,
.
(1)求
;
(2)求满足
的实数m,n;
(3)若
,求实数k.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa84a3b52fcaed4a313e14fae2897db0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fed0109bdcad81ac1612af29837992f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31dc4ee08a6c7cf709ea530009eb1770.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68febcb2eae77c1d68cae6492ce5b13b.png)
(2)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f7f95ce65210df041aceb7bc7e7c36.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff4cb034764e5f885bc9018e027432f.png)
您最近一年使用:0次
2019-12-31更新
|
1177次组卷
|
7卷引用:山东省济宁市第二中学2019-2020学年高一下学期第一次线上检测(实验班)数学试题
名校
4 . 已知向量
(cosx,
cosx),
(cosx,sinx).
(1)若
∥
,
,求x的值;
(2)若f(x)
•
,
,求f(x)的最大值及相应x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3c0d82cbb443d84763b9b1d3f88f20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3f8c3ba00c59e0634ed10fa85289de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c5684ccff633c427608fb5599ba1b0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2859333183a1d5749eac25f8b4e3b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efda714bc270ccf8712aaf16f7b08b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a1e127c8f92b5b24f146db29eefdf4.png)
(2)若f(x)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1df307f566bf755e3d5ad6cf63c4a6df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efda714bc270ccf8712aaf16f7b08b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a1e127c8f92b5b24f146db29eefdf4.png)
您最近一年使用:0次
2019-12-12更新
|
2727次组卷
|
15卷引用:山东省青岛市胶州市实验中学2019-2020学年高一下学期期中数学试题
山东省青岛市胶州市实验中学2019-2020学年高一下学期期中数学试题江苏省苏州市2019-2020学年高三上学期期中数学试题江苏省苏州市常熟市2019-2020学年高三上学期期中数学试题2020届江苏省苏州市陆慕高级中学高三上学期期中数学试题辽宁省辽河油田第二高级中学2019-2020学年高一下学期期中考试数学试题广东省深圳市科城实验学校2019-2020学年高一下学期第一次线上检测数学试题新疆新源县第二中学2019-2020学年高一上学期期末考试数学试题山东省济宁市兖州区2022-2023学年高一下学期期中数学试题(已下线)第六章 知识总结及测试-2020-2021学年高一数学一隅三反系列(人教A版2019必修第二册)吉林省长春市第二十九中学2020-2021学年高一下学期期末考试数学试题福建省同安第一中学2021-2022学年高一3月第一次月考数学试题重庆市万州高级中学2021-2022学年高一下学期3月月考数学试题陕西省宝鸡市金台区2022-2023学年高一下学期期中数学试题新疆乌鲁木齐市第四中学2022-2023学年高一下学期期末阶段性诊断测试数学试题新疆哈密市第八中学2022-2023学年高一下学期期中考试数学试题
名校
5 . 已知
,
,且
,则点
的坐标为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b48a66f4283dc0d835addd879068f7a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6351cfdb52ebc0e477903270fd09d88b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f671c41604c97fd11e877a93dee746c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2019-12-11更新
|
384次组卷
|
2卷引用:上海市上海师范大学附属中学2019-2020学年高二上学期期中数学试题
名校
6 . 已知
.
(1)若
,求
;
(2)若向量
中存在互相垂直的两个向量,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5f549e102ded77683093bc3248f549.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1106e319dd25f560d80960cf457d048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf732249b5a08378120d012200f7e182.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8287d96423dbca8a99dbe4dd91f0cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2019-11-23更新
|
285次组卷
|
2卷引用:山东省济南市章丘区2019-2020学年高三上学期期中数学试题
名校
7 . 平面内有向量
,
,
(其中
为坐标原点),点
是直线
上的一个动点.
(1)若
,求
的坐标;
(2)当
取最小值时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92fe30f6e7ffb16b00c8c4c24921de62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e589fee031413bd914358241045ef8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a9dcc34f03ffe43d5c767eaa4c2db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee3fd121f31b60c6415ef87d1f81e87b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82973c2b6d1c407318545f1c0f32ec2e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc86613c8ad7fb3c3984870bf33cfe43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35031ade086c0cb5adcd82aaef62462.png)
您最近一年使用:0次
2019-11-10更新
|
715次组卷
|
7卷引用:山东省济宁市兖州区2019-2020学年高一下学期5月阶段性测试数学试题
名校
8 . 在平面直角坐标系
中,已知点
,
,
.
(Ⅰ)求
的坐标及
;
(Ⅱ)当实数
为何值时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9c730266ecf448c14608e24d37b986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d3bfa155ad67018da4d65815c5e5b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f87cae2228b72a1ec635860203496967.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe35c91649a5bea2518387a2b36e0c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5639d8ad3f09809ac6b1a39160a0a0ae.png)
(Ⅱ)当实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ded145703c0ef7710ecad0bb7b984ce.png)
您最近一年使用:0次
2019-10-21更新
|
383次组卷
|
2卷引用:山东省济宁市微山县2018-2019学年高一下学期期末数学试题
名校
9 . 在
中,角
、
、
所对的边分别为
、
、
,
,
,且
.
(1)求角
的大小;
(2)若
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6ee3579002e54dc41fff5d981e779a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5bd87eba9e416e9e568c6c91fc8c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c7703ccedca014a2aa6218fb2de6ef.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5742b2684d00be50a66e01c9acb6b51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74094c51b5ee19992e12e98bfab66d77.png)
您最近一年使用:0次
2019-10-09更新
|
6774次组卷
|
7卷引用:2020届山东省实验中学(中心校区)高三10月调研考试数学试题
名校
10 . 已知向量
,
.
(1)设
,求
的单调递增区间;
(2)若
,向量
与
共线,且
为第二象限角,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa921b077cbbff08107c722611964a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30e0ce6eb1a644849c803766651a6af.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc1525aee9019a25cf71dc6054ec1ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b58102160afb5a98423432c29f754e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bca35e52b8430246a1cf96e9e617cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1669d094b7eaa23544db2e3b85d766a.png)
您最近一年使用:0次
2019-10-05更新
|
143次组卷
|
2卷引用:山东省临沂市罗庄区2018-2019学年高一下学期期末数学试题