名校
解题方法
1 . 在边长为2的菱形
中,
,若
为
的中点,则
值为__________ ;若点
为
边上的动点,点
是
边上的动点,且
,
,
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6906f59d09ce31956d6f5ea2b23fc77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4452db7f56b15dbeb9bddb30740eb07e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4425dc7c346e4597c0521d7f636174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc04f80ff09e15ca9fcb1ec3d88a02b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3ede869e508a8c8bda34a16782f863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62766bb3748a2775a7a0b9ccc6313d84.png)
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2 . 在
中,已知
,点P是
所在平面上一点,且
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd989ddfbed4a6aa18ea57734522153.png)
__________ ;若
,则
取得最小值时,实数y的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e098800ce6141e2712dfed8eb4fdaae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36965c4fa2678fe61578db7f38ac37c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0940c7a64c5df95fd8722370db363c10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd989ddfbed4a6aa18ea57734522153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a09c2b91e41d1be14e7eb1b56800081.png)
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名校
3 . 平面四边形ABCD满足
,
,
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0bca52fa6399ae2926f8416d7c0a544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029efb8b2d1490a194c1d67b57b4f422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e80290a25a559176d95a511d9bc506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4600275dda575e545cab0145d9480d.png)
您最近一年使用:0次
2023-10-30更新
|
234次组卷
|
3卷引用:天津市第二南开学校2023-2024学年高三上学期12月阶段评估数学试题
名校
解题方法
4 . 在中,
为
中点,
为线段
上一点,且满足
,若
,则
的最大值为
您最近一年使用:0次
名校
5 . 如图,在
中,
是线段
上的点,且
,
是线段
的中点,延长
交
于
点,设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
__________ ;若
为边长等于2的正三角形,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b099a0cfbb1f13a91277540bf004c66a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c185466a3517b2f1453e175748963873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.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/f1aec9d16d88595567bb3b3394888280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96724b211bf3e56d588bd430aa3f2894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b099a0cfbb1f13a91277540bf004c66a.png)
您最近一年使用:0次
2023-10-25更新
|
1323次组卷
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7卷引用:天津市和平区2022-2023学年高一下学期期末数学试题
天津市和平区2022-2023学年高一下学期期末数学试题(已下线)9.3 向量基本定理及坐标表示2-【帮课堂】(苏教版2019必修第二册)(已下线)模块一 专题2 平面向量基本定理与坐标运算(A)(已下线)模块一专题2《平面向量基本定理与坐标运算》A基础卷(苏教版)(已下线)模块一 专题4 平面向量基本定理与坐标运算(A)北师大版高一期中河南省周口恒大中学2024届高三下学期5月月考数学试题(已下线)专题05向量数量积期末10种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)
解题方法
6 . 已知向量
,则向量
在
方向上的投影向量的坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a896562651788fff23985c534c2f411d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
您最近一年使用:0次
2023-10-25更新
|
1453次组卷
|
7卷引用:天津市和平区2022-2023学年高一下学期期末数学试题
天津市和平区2022-2023学年高一下学期期末数学试题(已下线)专题03 平面向量基本定理及坐标表示(六大考点)-【寒假自学课】(人教A版2019)(已下线)第9章 平面向量 章末题型归纳总结-【帮课堂】(苏教版2019必修第二册)(已下线)模块一 专题2 平面向量基本定理与坐标运算(讲)(已下线)6.3.5 平面向量数量积的坐标表示-同步题型分类归纳讲与练(人教A版2019必修第二册)(已下线)模块一专题2 《平面向量基本定理与坐标运算》 【讲】(苏教版)(已下线)模块一 专题4 平面向量基本定理与坐标运算(讲)北师大版高一期中
解题方法
7 . 已知平面向量
,且
与
的夹角为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063d4a7a34ee1d869cd264d716ba997e.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/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c8a4d21c520f5a154f71b40f8e7ee05.png)
A.12 | B.16 | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-25更新
|
1742次组卷
|
10卷引用:天津市和平区2022-2023学年高一下学期期末数学试题
天津市和平区2022-2023学年高一下学期期末数学试题安徽省淮北市树人高级中学2023-2024学年高二上学期期中数学试题山东省潍坊市高密市第三中学2024届高三上学期11月模拟考试(月考)数学试题河北省石家庄市辛集育才中学2024届高三上学期12月月考数学试题(已下线)专题02 平面向量与解三角形-《期末真题分类汇编》(天津专用)(已下线)专题02 平面向量的运算(八大考点)-【寒假自学课】(人教A版2019)(已下线)专题04 向量的数量积-【寒假自学课】(苏教版2019)(已下线)专题03 向量的数量积(题型专练)-《知识解读·题型专练》(人教A版2019必修第二册)(已下线)第6.2.4讲 向量的数量积运算(第2课时)-精讲精练宝典(已下线)专题05向量数量积期末10种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)
8 . 设函数
,其中向量
,
,
,则下列选项错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8787fdc87d8d993a7b2f69f2759a8f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b12a7ae7d43bb9f25b26845238658e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e7ee5de0275fa928718a6b241a22ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
A.直线![]() ![]() |
B.点![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
名校
9 . 已知向量
,
,
,设函数
.
(1)求函数
的单调递增区间;
(2)设
,
,
分别为
的内角
,
,
的对边,若
,
,
的面积为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4087d0dbd10892eb7bf75ead9b40b28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c33e03552a0027914ac8acf6aa2d578.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5e9839a81f2e756753b2dabd77a298.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](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/15c0dbe3c080c4c4636c64803e5c1f76.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/eddbd96d2bf726d74b2a21b7e6a849df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4aa8f68a1bc7f5224f13eceb75a98c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-10-14更新
|
654次组卷
|
2卷引用:天津市静海区第一中学2023-2024学年高三上学期10月月考数学试题
名校
解题方法
10 . (1)在四边形ABCD中,
,
,
,且
,若M,N是线段BC上的动点,且
,求
的最小值;
(2) 在
中,
,
,点
为
的中点,点
为
的中点,若
,求
的最大值;
(3) 请同学们辨析总结解决平面向量数量积问题中,若选择坐标法解决,在建系时应注意什么?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284e282bb1d9fbf8634b3506ee5358ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241192d8e1664dec0485fa93336d788b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a42090ee8d56da2371995c8d216d06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2ab157cd50abfa3a6de8027f3f0b424.png)
(2) 在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a6f36741b86f464be362b12bac13d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27c21a8c8f5987d350cbab0d56d9bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59809f2fa9ce4c833cdf5fe102feb8d8.png)
(3) 请同学们辨析总结解决平面向量数量积问题中,若选择坐标法解决,在建系时应注意什么?
您最近一年使用:0次