名校
解题方法
1 . 已知向量
,
,且
与
的夹角为
.
(1)求
;
(2)若
与
的夹角为钝角,求实数
取值的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6058a2d06b42c223208e37b901b7ff9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e82e6a84171c2fd73f7c0dd184b0294.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/15615de1a6df206dbd081251f676578e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c75a15198f2465863fd46e0794d0bf2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a85661e8639ccd3d0c70ca431c8e73a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd8bbf47b69bbd7a6263b041290d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2024-06-14更新
|
564次组卷
|
2卷引用:山东省济宁市泗水县2023-2024学年高一下学期期中考试数学试题
2 . 已知向量
,
,
.
(1)若
,求
的值;
(2)记
,求
的最大值和最小值以及对应的
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090b9826e320c26ad185f7e7bf1b4396.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926f1d81e2cd0ca739b44105dfd32d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02f7d08d10754ff3903d139768f40530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7aa1233d7a93113281594c41f25c7db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
解题方法
3 . 平面内给定三个向量
,
,
.
(1)求满足
的实数m,n.
(2)若
满足
,且
,求
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c29b6b7f33003606c66bb6511fa8b0a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14dfa17632f933e0468b8a7864259517.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb7bc8d458d57e3721c6c30cb6570adc.png)
(1)求满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4a5e281f06621bd090489d10da41e6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b76118bdca6c463cfb19b66f30281c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a51215462c6f53f5fc33ab50b43a8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f2d7a4a788a8de4246248d1c297a3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b76118bdca6c463cfb19b66f30281c4.png)
您最近一年使用:0次
2024-05-12更新
|
353次组卷
|
2卷引用:山东省威海市第一中学2023-2024学年高一下学期4月月考数学试题
名校
解题方法
4 . 已知向量
,
,
,且向量
与
共线.
(1)求
与
夹角的余弦值;
(2)若
,求t的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991a4493cfd34d25c6ffbadc12c27978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b5d89404bf276405ee32b403418042f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b20f69af6870bada879cddd7f6794d24.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04f5cb84750e467daf59bbeebd0738d2.png)
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名校
5 . 已知O为坐标原点,对于函数
,称向量
为函数
的相伴特征向量,同时称函数
为向量
的相伴函数.
(1)记向量
的相伴函数为
,若当
且
时,求
的值;
(2)若任意的x满足
,
且
,求y的值
(3)已知
,
,
为
的相伴特征向量,
,请问在
的图象上是否存在一点P,使得
,若存在,求出P点坐标;若不存在,说明理由;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c6f29b2b1955715616003d51d8b77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/234eb91d6082d883d2c885ddfc629313.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/e723e57753f0a4fe1ef8ca1aee0e2117.png)
(1)记向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27766acf6783f9354f674a5f0c6b009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ea54c9962f0130ce1f3eca3098e101.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46bb700769d578c7ed2b6a650400b926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48345d239aaf8e9ca1ff2846c08a99.png)
(2)若任意的x满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e632c8f606941f066e5afbbdc21a462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3190879152f92877a6eddab384f50bc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1887c46cf91b224bae5b0b75cd1ac87.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acf45a5f66394502b70bf1dd68ee40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34458dd7ae8cae1e4a4fd7dd52234032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d8df3333cdfa86a5386553d0986a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/484d0ccdf3789e6487dc36803abda659.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c77f836f70aa7288cc21b628861c7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef1428037efcc8068ecc8b4cd2279568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b929fe0f9c13dd6dfabca91a1a4aaa.png)
您最近一年使用:0次
解题方法
6 . 已知
,且
与
夹角为
,求:
(1)
;
(2)
与
的夹角;
(3)若向量
与
平行,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b660be471d5dbd000f5e1fcb996371da.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/fbf2d033664f89ef059ac8303622a3bf.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07882aa0d4087bd4e551dbfa437e31d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47956549b026e6db1ff5259d20588eea.png)
(3)若向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e33d2ac395f3cc4d5c2dc4558a1d73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c79eec8d747395c17219dd32b15445.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2024-04-13更新
|
435次组卷
|
2卷引用:山东省淄博中学2023-2024学年高一下学期4月月考数学试题
名校
解题方法
7 . 已知
,
,
.
(1)求
:
(2)当实数k为何值时,
与
垂直?
(3)若
不共线,
与
反向,求实数k的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29276b43a2950ed71f0f9629a35dfa74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff265969988f1f138700129e5d7a6d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb90e6d4963eb75e1d279c04c8bb03c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93af88a7628c71d642d3a6df067c15f5.png)
(2)当实数k为何值时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a2175d2455f0825cd4ed7bfb05654a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/437dc907211c5934f938d869f6b19e93.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0035fcdc6a2dfb5836f4dc93dcaf9386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8664f0d5cf26775736d4ed0ff63eae58.png)
您最近一年使用:0次
2024-04-06更新
|
739次组卷
|
2卷引用:山东省滨州市北镇中学2023-2024学年高一下学期第一次月考数学试题
名校
解题方法
8 . (1)已知
,
,且
//
,求
的坐标.
(2)已知
,求与
垂直的单位向量的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa3610a990287d3ac756abae406540d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66de249b7c29faff4f8ff786ba21d500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1025572b15927ce2c1d7c1a3c97685b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
您最近一年使用:0次
2024-02-27更新
|
932次组卷
|
3卷引用:山东省烟台市莱州市第一中学2023-2024学年高一下学期开学收心考试数学试题
名校
9 . 在平面直角坐标系xOy中,设向量
.
(1)若
,求
的值;
(2)设
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71c37fc79619507a7ea309a14794555a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb8a4f93274f06ba1fa756163ef082c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152f33e0c3380e2ddb3f35781a5b5314.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7228ccc4fffb86489a02f0588d3761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1040ac7b05cd9f524a7ce965abffc04a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
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名校
10 . 在
中,角
所对的边分别为
,
,
,且
.
(1)若
,求
的周长;
(2)若
,求
的取值范围.
![](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/e9ef1ce414ac0d6905ba87a8e245110c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9467ab72028da2ac9269205ba7bffe50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc9c22e445fd2e7d7e33f87116dbd1a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1802e63b9f62d304800d45b45afaeb10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb20324b572d730c34724c421df7974.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd1810555c0c28fe352841322b85bbc6.png)
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