名校
解题方法
1 . 如图,在
中,
,设
,
.
,
表示
;
(2)若
,
,
与
的夹角为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff400c098ae6bf6abd24651a5a21114e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f3adc4ed291596abf3bb93ae7a075d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f386f5b56b07b96f2600da1be15414a1.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/304a7f07db2ec637baadf8f0ab91c85c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1fbde1de351bce74ea7736f16340a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c7d3b256fec1c30b6dd2a7b8e202f7.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/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4119d0e66e51ec383efb03069d88f9bf.png)
您最近一年使用:0次
名校
2 . 已知
,
.
(1)若
,
,且
、
、
三点共线,求
的值.
(2)当实数
为何值时,
与
垂直?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e745905cf02d7165c2a2dfddcee05f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bfa9f707159864b8b3e2f308493738e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d49c4a08ef45aadbab52d72b4ece3cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b206ca6aae394ab845aea1e8aea496b6.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/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0d6f45010a54e0bfa0b48c90376ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b83c5803cc8c05849028a57c4bd4ee72.png)
您最近一年使用:0次
2024-05-07更新
|
530次组卷
|
2卷引用:山东省菏泽市外国语学校2023-2024学年高二下学期4月月考数学试卷
3 . 已知向量
,
.
(1)若
,求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8592484cc62aab5f919dc3b42d62e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea00a34230f9f797d5429ab8814e2d59.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dced91de1b8c38aa95ffee0e5dc202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
4 . 已知
,
,
与
的夹角为
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6316d995f00623f05fc3d56a6cbe5f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34fa8ea29001bb1f0c1e5157aff2fca5.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)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39d1d88189726ae99c309644fca3494.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684c16e648e1b76fc54ef176f82bf7fc.png)
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名校
5 . 已知向量
,函数
.
(1)在
中,
分别为内角
的对边,若
,求A;
(2)在(1)条件下,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18fecdf08240ae204249a261b406bf32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1a3e7082dca82dfc05748eb7d66b75.png)
(1)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88fbe8a814eb023254f37adc50a515c1.png)
(2)在(1)条件下,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/171727a31356efe1630ea1cea609b224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-04-07更新
|
1406次组卷
|
3卷引用:福建省龙岩市上杭县第一中学2024年6月普通高中学业水平合格性考试数学模拟卷
名校
6 . 已知
.
(1)求
;
(2)当
为何值时,
与
平行?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d3fc72d4a0fb653ec4d58089d5e188.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd764def6a96d1f2abd3b89580c5352.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0d6f45010a54e0bfa0b48c90376ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31b07a2081bfaaf77c0062193ab173e.png)
您最近一年使用:0次
名校
7 . 已知函数已知向量
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ab96b10e5d95acd8490e9627daa96c.png)
(1)判断函数
的奇偶性;
(2)若
,求
的值;
(3)设函数
,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d7254ef3572dab258992009118ad52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509298f6b272d821239b5dcb38e2f4bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ab96b10e5d95acd8490e9627daa96c.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b7ca4667865ebe617fa6539e8d11fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c5a05a11f731194a845e68a0479ce4.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442b1fa3e260ac1cf49c3abc996e74a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
,
.
(1)若
,求
与
的夹角;
(2)若
与
的夹角为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1fbde1de351bce74ea7736f16340a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c734983e908fc8671cbf554aafe73aa.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e26536a0ce0954feca62f661dbf2664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(2)若
![](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/82cee75366046d8b13d19f2e0ed7fccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4336e15cd9b12893426bbf7bba3a2353.png)
您最近一年使用:0次
2024-03-14更新
|
672次组卷
|
3卷引用:湖南省岳阳市岳阳县第一中学2023-2024学年高二下学期开学数学试题
23-24高二下·江苏·课前预习
9 . 如图,在三棱台
中,
,
,
,设
,以
为空间的一个基底,求直线
的一个方向向量.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439cf259dd6137aa31bb99244a04ddfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0db25606d4b8075780f2461b6a0981f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ce78060fece67bbb0a387d06757f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7daa303125d656565a0047cfdfe65d4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21775d2a1d85b5be06c17f6eeddfd9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/298cc3d9bc6dc88c494b5489ee2ca846.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/6/b03f9f3a-6c3f-4ac4-b148-1a9e49595321.png?resizew=171)
您最近一年使用:0次
10 . 已知正四面体
的棱长为1,如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/c42e4aa3-9c9e-4901-acad-e46690ef61bb.png?resizew=159)
(1)确定向量
在直线
上的投影向量,并求
·
;
(2)确定向量
在平面
上的投影向量,并求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd7c1e8a85c466f89cd99da71579787.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/c42e4aa3-9c9e-4901-acad-e46690ef61bb.png?resizew=159)
(1)确定向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
(2)确定向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef2723673c90347f6dd58346278c7fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd7c1e8a85c466f89cd99da71579787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
您最近一年使用:0次