名校
解题方法
1 . 已知向量
,
满足
,
,
.
(1)求
在
上的投影向量;
(2)若向量
与
垂直,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fc7a342293983cc4865498c121493d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7a31604d8909d500e9047e9a3b1f5c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c8afe4cf057c5b05216efe199b6780.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa53e6f54e190da611f9f18ee20076d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0f5d6389672e98b7a226d86706c390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
解题方法
2 . 在
中,角
所对的边分别是
.已知
.
(1)求
;
(2)
为
边上一点,
,且
,求
.
![](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/6d5523db318291a6c170dec4a729fef5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)
![](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/4d522d41ac7167743fdef46a036bd831.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4b26360bb4125f25a9c0cd1344bf6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402f1010e94be78552ed4c45548b1b8.png)
您最近一年使用:0次
2023-12-09更新
|
978次组卷
|
3卷引用:湖北省武汉市江岸区2024届高三上学期1月调考数学试题
22-23高一下·全国·期末
解题方法
3 . 如图,在
中,已知P为线段
上的一点,
,
,且
与
的夹角为60°.
,求
;
(2)若
,且
,求实数k的值;
(3)若
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d78a0df73f3b0292035a809ba82b38dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a600402d668cfc808ecb2cbd990f9f8.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/ae2b6491ea9e5ac70b3d91adaf24973a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790c77bb2dc28b001475f0fc3d506f6f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb53e35ab8f758cf6c1347003140ffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/611291462e4d5142b97273fcecb4995a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e290940657cfb96f4da72e3c3e75fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35552ed03d6d4c6016113ad97d015d97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a66e27ef92fcc51530e54533e23973.png)
您最近一年使用:0次
2023-09-14更新
|
414次组卷
|
7卷引用:高一下学期期末真题精选(易错60题20个考点专练)-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)
(已下线)高一下学期期末真题精选(易错60题20个考点专练)-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)(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)(已下线)专题08 期末必刷解答题专题训练的7种常考题型归类-期末真题分类汇编(北师大版2019必修第二册)(已下线)6.2.4向量的数量积【第三练】“上好三节课,做好三套题“高中数学素养晋级之路(已下线)9.2 向量运算2 -【帮课堂】(苏教版2019必修第二册)(已下线)专题04 向量的数量积(2)-《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)高一下学期期中复习解答题压轴题十八大题型专练(1)-举一反三系列(人教A版2019必修第二册)
4 . 在
中,
,
是
的中点.
(1)求
的内角
的余弦值;
(2)设
在直线
上,试确定满足
的点
的具体位置.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326e124f21388af415416980aa20db88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23539741f044690dcba16777a328393d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
5 . 如图,在
中,已知点
在边
上,且
,
,
,
.
的长;
(2)求
.
![](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/a65b4ac8c6590141e03dfeb2e6fe3cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/537f0cf181d16e9dce5ec3438e814acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6834ac70927ae08d7d36a1922403c9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9ad150cb1e4cd8977d4cc3d99be17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6402f1010e94be78552ed4c45548b1b8.png)
您最近一年使用:0次
2023-12-11更新
|
907次组卷
|
4卷引用:贵州省三穗县民族高级中学2021-2022学年高二上学期期末考试数学(文)试题
贵州省三穗县民族高级中学2021-2022学年高二上学期期末考试数学(文)试题(已下线)第06讲 解三角形-《知识解读·题型专练》(人教A版2019必修第二册)广东省惠州市第一中学2023-2024学年高一下学期第一次阶段考试数学试题山东省泰安市新泰第一中学老校区(新泰中学)2023-2024学年高一下学期期中考试数学试题
6 . 试分别解答下列两个小题:
(1)已知向量
和
都是非零向量,且
与
垂直,
与
垂直,记向量
与
的夹角为
,求
.
(2)在
中,内角
的对边分别为
,若
.试将
表示成关于
的表达式,并求出
的取值范围.
(1)已知向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd9534eb6ae67a9a2ef6ba5eaf9cfcd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec855370060932ba189b68dea782a4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc534301570714edc165bc77a012212d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498eac348625c29beeedd66f60bc9df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ab6ea7f5e7b6217d3bdcb4f35d741a7.png)
(2)在
![](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/9e5c3f9cc98df4ebb4e190f3eb1f8024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d4cbfc00ff1b4016bc51b6704f6c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d4cbfc00ff1b4016bc51b6704f6c42.png)
您最近一年使用:0次
2023-07-18更新
|
108次组卷
|
2卷引用:山东省青岛市莱西市2022-2023学年高一下学期期末数学试题
解题方法
7 . 已知非零向量
的夹角为
.
(1)求
的值;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75751558c278443c59edbed9df442d7a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39d1d88189726ae99c309644fca3494.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b195aa36a3c2753ebf08cb464c52ad1e.png)
您最近一年使用:0次
解题方法
8 . 在平面直角坐标系
中,设与
轴,
轴方向相同的两个单位向量分别为
和
,向量
,
.
(1)若点
在线段
的延长线上,且
,求点
的坐标;
(2)若点
是线段
的中点,且向量
与
垂直,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73db31aecdde14e0002f082d9091df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2980a18e4d0a2a795b7983a1a1866db7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20bed30877e5e61d33b037b4bcf1d394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71652d174b3d1237d3982b878ac0107b.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e490ca1cc66be5a2f1677d243fe093db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91174b2336306191ba275a87864172b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c74d26ebc897e879ad93d89a0ac6485f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-07-14更新
|
233次组卷
|
2卷引用:山东省聊城市2022-2023学年高一下学期期末数学试题
解题方法
9 . 已知
是两个不共线的向量,
为单位向量,
.
(1)若__________,求
;在①
;②
两个条件中任选一个填在__________上,并作答.
(2)是否存在实数
,使得
与
共线,若存在求出
;若不存在,说明理由,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2396cac4b185cf1f1a67dad9248481c.png)
(1)若__________,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e6f98f23fea7db0f74897928024ca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b904789c43cb34d62bc40a4d8773735d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81ec2ce190ee800eb155673bab8d933.png)
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0f5d6389672e98b7a226d86706c390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25df946fad462e6f998d2fadfc026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
解题方法
10 . 在
中,
,
,
.
(1)当
时,用
,
表示
;
(2)求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30f9b7a6123f13fa0793ead76dc651a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f3ee3ae6821114097ed3a9c3f704db3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441809d6ce2df21a85b390cdce9b1112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbaeae7045ad94158cdf5ae97073bc17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34bf00aeba15bce2cdee8ab487388dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45eac6e59bd3c4fe72d3254a9dbb927c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61cbbcddb3801bcd6ff894fea10a0773.png)
您最近一年使用:0次
2023-07-13更新
|
221次组卷
|
3卷引用:福建省龙岩市2022-2023学年高一下学期7月期末数学试题