1 . 已知
为角
终边上一点.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03add3189e2b3984c68146d0d95a963e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8f798a9af75a091a8be0b71f2038260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b16b35c984b4b08596c3c930d20ab61.png)
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2 . 已知向量
,则下列命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b972398724909e2a3a5b250275eea2c8.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.![]() |
D.若![]() ![]() |
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2024-04-17更新
|
559次组卷
|
6卷引用:陕西省西安市蓝田县田家炳中学大学区联考2023-2024学年高一下学期4月阶段性学习效果评测数学试题
3 . 下列说法错误的是( ).
A.零向量没有方向 |
B.两个相等的向量若起点相同,则终点必相同 |
C.只有零向量的模等于0 |
D.向量![]() ![]() |
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解题方法
4 . 在
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392aacfacbb2e65fe1c957370f1a08df.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3e9ef3e849788645552cfb0735d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3578b63c5903089595bf324c809a997c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392aacfacbb2e65fe1c957370f1a08df.png)
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2024-04-17更新
|
317次组卷
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2卷引用:陕西省安康市高新中学2024届高三下学期3月月考数学(文)试题
名校
解题方法
5 . 函数
的图象大致是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ec1b245ddf001e85d5512faa5b594a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-04-16更新
|
678次组卷
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2卷引用:陕西省西安市高新第一中学2023-2024学年高一下学期第二次月考数学试题
解题方法
6 . 已知向量
,
满足
,
,且
.
(1)求向量
,
的夹角;
(2)求
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/29276b43a2950ed71f0f9629a35dfa74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff265969988f1f138700129e5d7a6d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192265ae3ba51cff02557419d30f4912.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0212ab68627919b1d22ac348a3e849.png)
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7 . 在矩形
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f3b22560c36768d7938cb94d8bec3b.png)
_________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03f6948f0430aaa2d055aefe5b49165.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d179361a20602c0ee945fea4dd1dd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f3b22560c36768d7938cb94d8bec3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e03f6948f0430aaa2d055aefe5b49165.png)
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解题方法
8 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87f05e018f64a61314a9f6db60c73025.png)
A.![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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9 . 若向量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f6f71602e479f2db73deab897b5224.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1603e6b547ce2fcdaee4b01e308e5d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f6f71602e479f2db73deab897b5224.png)
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10 . 已知向量
.
(1)若
,求
的值;
(2)若
,求
与
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d717de3e39fd1f5fc468f00cdea54c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e273de83d7f518df456d6f6f568ad4e4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ceb28e047462eb186195114550c466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
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