名校
解题方法
1 . 已知函数
(
,
),
是函数
图象上的一点,M,N是函数
图象上一组相邻的最高点和最低点,在x轴上存在点T,使得
,且四边形PMTN的面积的最小值为
.
(1)求函数
的解析式;
(2)已知
,过点H的直线交PM于点Q,交PN于点K,
,
,问
是否是定值?若是,求出定值,若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a5bc738415f0fd10f03838a65d2cae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c9e46448bc791c441ca02d8f4508eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4d16817912d2d95073fb17bade62f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f7f3fcadefc97761b5374d1a311470c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8465dc8648c006e18eb31350c807dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1ff24afb169698474b31fe9e3295572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8831cabbe7066e25ed94b0363ff102ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587b693b82241eb9c32cdbb96c209f33.png)
您最近一年使用:0次
名校
2 . 已知
中,点D在线段OB上,且
,延长BA到C.使
.设
,
.
,
表示向量
;
(2)若向量
与
共线,求k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67bd635fe0ba6eb7960bf838c6fdf607.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8eb792421232db18dc02415163ffe30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420ad6159fc091d6a5ffddf0676d2662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c2e7e9fd8519fd1c293cc577408263.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/ef8337706c550bc095d7a2bd872221a1.png)
(2)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8337706c550bc095d7a2bd872221a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9ee97a0e2591dc8b0d05ad887a4d44.png)
您最近一年使用:0次
2023-08-17更新
|
271次组卷
|
3卷引用:福建省仙游县华侨中学2022-2023学年高一下学期第一次月考数学试题
福建省仙游县华侨中学2022-2023学年高一下学期第一次月考数学试题福建省宁德市福宁古五校联合体2023-2024学年高一下学期4月期中考试数学试题(已下线)专题05 平面向量基本定理-《重难点题型·高分突破》
名校
解题方法
3 . 已知平面向量
是单位向量,且
.
(1)求向量
的夹角;
(2)若
,向量
与向量
共线,且
,求向量
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea21c77297a4d026bf11f8cb79c9b51.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d55f2ab8200f2f72ececdbf77750bca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bca35e52b8430246a1cf96e9e617cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/779a8bf96878bf44cf1e8d09cec74dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
您最近一年使用:0次
2023-08-07更新
|
422次组卷
|
4卷引用:福建省厦门市同安第一中学2023-2024学年高一下学期第一次月考数学试卷
22-23高一下·福建宁德·期末
名校
解题方法
4 . 已知
为平面向量,且
.
(1)若
,且
与
垂直,求实数k的值;
(2)若
,且
,求向量
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f99645c5aa5800b219c4d9f0baebcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0035fcdc6a2dfb5836f4dc93dcaf9386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e773ac3c6d9ce944132bc0b0001999fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
您最近一年使用:0次
2023-07-16更新
|
307次组卷
|
3卷引用:福建省永春第一中学2023-2024学年高一上学期8月月考数学试题
福建省永春第一中学2023-2024学年高一上学期8月月考数学试题福建省厦门市杏南中学2023-2024学年高一下学期3月月考数学试题(已下线)福建省宁德市2022-2023学年高一下学期期末质量检测数学试题
解题方法
5 . 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
|
222次组卷
|
3卷引用:福建省泉州市安溪蓝溪中学2023-2024学年高一下学期第二次阶段检测(6月)数学试卷
名校
6 . 已知
,
,当k为何值时:
(1)
与
共线;
(2)
与
的夹角为120°.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b3515de9a26c0397039e077f272b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a39146d4240476f77c721d438484fd1.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0035fcdc6a2dfb5836f4dc93dcaf9386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0035fcdc6a2dfb5836f4dc93dcaf9386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed492f7b29166ba5c1f0023b05a439c5.png)
您最近一年使用:0次
2023-07-12更新
|
780次组卷
|
4卷引用:福建省厦门双十中学2023-2024学年高一下学期4月月考数学试题
福建省厦门双十中学2023-2024学年高一下学期4月月考数学试题第1章平面向量及其应用 综合检测(已下线)8.1.3向量数量积的坐标运算-同步精品课堂(人教B版2019必修第三册)广东省汕头市潮阳实验学校2023-2024学年高一下学期期中考试数学试题
名校
7 . 如图,在
中,
,点E为
中点,点F为
上的三等分点,且靠近点C,设
.
表示
;
(2)如果
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0019a40382ab3b0ed0b127f75eabe48b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ceac772dba008adf20e589703bd7e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137b014134c70cbd1338a583c4355243.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae59172207d0d8c85073fa2bd093705c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316c97c5b6f7c0fbdf7b9e4b9fccb661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdddaf04139a84bb1f64fc9baa414497.png)
您最近一年使用:0次
2024-03-28更新
|
912次组卷
|
17卷引用:福建省永定第一中学2022-2023学年高一下学期第一次阶段考试数学试题
福建省永定第一中学2022-2023学年高一下学期第一次阶段考试数学试题广东省佛山市南海区九江中学2022-2023学年高一下学期第三次大测数学试题广东省惠州市惠阳区第五中学、惠阳叶挺中学2022-2023学年高一下学期3月月考数学试题江苏省南通市通州区金沙中学2022-2023学年高一下学期3月质量监测数学试题江苏省苏州吴江高级中学2023-2024学年高一下学期3月月考数学试题福建省厦门外国语学校2023-2024学年高一下学期期中考试数学试卷上海市朱家角中学2023-2024学年高一下学期第二阶段质量检测数学试题广东省深圳市2020-2021学年高一下学期期末数学试题广东省肇庆市第一中学2021-2022学年高二上学期开学考试数学试题广东省深圳外国语学校高中园2022-2023学年高一下学期期中数学试题(已下线)模块三 专题5 大题分类练(平面向量)基础夯实练(北师大版)(已下线)模块三 专题4 大题分类练(平面向量)基础夯实练(人教A)(已下线)模块三 专题4 大题分类练(平面向量)基础夯实练(苏教版)上海市建平中学2023-2024学年高一下学期期中教学质量检测数学试题江苏省无锡市辅仁高级中学2023-2024学年高一下学期期中考试数学试题(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)江苏省无锡市辅仁高级中学2023-2024学年高二下学期期中考试数学试题
2023高一·全国·专题练习
名校
8 . 如图:在
中,
,
,
与
交于点
,设
.
(1)若
,求
,
的值;
(2)在线段
上取一点
,线段
上取一点
,使得
过点
,设
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541f0de8478633dd6de0b96653380351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03d24514cfd797f21116cacd6d636df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211429ce394297f664f6b8e16edec714.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/26/702bdf00-2322-4219-8963-07aa0db519f2.png?resizew=257)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db6473fc206d85aa015b2547317ada4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)在线段
![](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/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07503227ec732954dc608f62a56b5ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c3ba58abc9738c443230a8bc0178ab5.png)
您最近一年使用:0次
21-22高一·湖南·课后作业
名校
解题方法
9 . 在锐角
中,已知
,
,且
.
(1)求角B的大小;
(2)若
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a74a5e31289960f0a3efaf48ac504ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdfddc3a6767d52a9eff2962f63b9d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc9c22e445fd2e7d7e33f87116dbd1a.png)
(1)求角B的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-10-06更新
|
625次组卷
|
8卷引用:福建省华安县第一中学2021-2022学年高一下学期第一次月考数学试题
福建省华安县第一中学2021-2022学年高一下学期第一次月考数学试题重庆市实验中学2021-2022学年高一下学期第一次月考数学试题河南省许昌市禹州市高级中学2023-2024学年高三上学期11月月考数学试题(已下线)复习题二3(已下线)技巧03 解答题解法与技巧(练)--第二篇 解题技巧篇-《2022年高考数学二轮复习讲练测(浙江专用)》甘肃省金昌市永昌县第一高级中学2021-2022学年高一下学期期中数学试题江西省宜春市丰城市东煌学校2023届高三上学期11月期中考试数学试题湘教版(2019)必修第二册课本习题第2章复习题
名校
10 . 在
中,点
分别在边
和边
上,且
,
,
交
于点
,设
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/86a68868-d406-49ff-b982-39d246a4c1c7.png?resizew=153)
(1)试用
,
表示
;
(2)在边
上有点
,使得
,求证:
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59802bde1dc59ba9000157b08463b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11fbc3a1f1e848cf1349b9327be8607d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c71813d6916acdd4a80d8d270ab414a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88f9e35b2d86b09076806917cbedc3c9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/13/86a68868-d406-49ff-b982-39d246a4c1c7.png?resizew=153)
(1)试用
![](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/471ac0f42d01c6d6e094b63628586e4d.png)
(2)在边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0087924c5825b480965daabfeea630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfc59d1de5055c3939295ec953ef3a8.png)
您最近一年使用:0次
2023-05-11更新
|
801次组卷
|
3卷引用:福建省连城县第一中学2022-2023学年高一下学期3月月考数学试题