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1 . 已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a046fe49be6c516a1b07edfd6d4ea68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d261a0d82facbe2bd8f6c522624ab7c0.png)
您最近一年使用:0次
2020-01-14更新
|
244次组卷
|
3卷引用:吉林省实验中学2019-2020学年高一上学期期末数学(理)试题
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2 . 已知向量
,
,在
轴上有一点
,使
有最小值,求
点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ea36afcbc56f4397e0e13197b59b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75105917ab6723d22f3c373a945a18d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/525560a384123569b6975a0c2d9dddbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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3 . (1)计算
的值;
(2)已知
,求
和
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1f41b414ecf60414463b45194798fe.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cebe06d0c9ffa4bdd7ed79dfbe1b19fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617e59c1afb7dc761f5b373bc820ecff.png)
您最近一年使用:0次
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4 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837930645a16b1889f33a9e92b5c59ae.png)
(1)若
与
共线,求
;
(2)若
与
垂直,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f242f038195884ef098a99a274a1a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837930645a16b1889f33a9e92b5c59ae.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea1f268299d57e5362182760a5961af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3364b5989fa241b26266c0d96ab9714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea1f268299d57e5362182760a5961af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3364b5989fa241b26266c0d96ab9714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2019-12-07更新
|
334次组卷
|
2卷引用:吉林省长春汽车经济技术开发区第三中学2022-2023学年高一下学期4月月考数学试题
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5 . 若角
,且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f63dc02238b087ff47e9aa5bf6759d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef92d8eafbac67a61f262b256687575d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db589bebb2f413b51ab7d684f7eb990.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
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2019-11-19更新
|
2296次组卷
|
4卷引用:吉林省长春市实验中学2019-2020学年高一上学期期中数学试题
6 . 在
中,角
的对边长分别为
,
,
.
(Ⅰ)求
的值;
(Ⅱ)若
,求
的值.
![](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/1b1dd07c0571772e96d318f974724810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb6362bc99fba4bcd7331db9aee922c.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
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7 . 在
中,角
所对的边分别是
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35f06d70bcc3e8ef457d0f63fd951f2.png)
(1)求证:
为直角三角形;
(2)
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0ae8e92dd3119d41f2c830ea526516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ace74bfb716753490ebe0e740ff5baa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d35f06d70bcc3e8ef457d0f63fd951f2.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45dd95a129d81ab4175e29cfc67affc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3292a7444b7e76515cee05ffe1eea50.png)
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8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f36fb22cff89eea45f75db4af221615.png)
(1)求函数的最小正周期及单调递增区间;
(2)求
在区间
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f36fb22cff89eea45f75db4af221615.png)
(1)求函数的最小正周期及单调递增区间;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2336e6b07f90602ff3250a2853841c2.png)
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9 . 已知函数
的图像与直线
的交点中距离最近的两个交点距离为
.
(Ⅰ)求函数
的解析式;
(Ⅱ)求函数
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c00fd65a9d181d1428c999b9521e0e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/011660c5972745140aedc1a45a167549.png)
您最近一年使用:0次
名校
10 . 已知
,
,α,β均为锐角,且|
-
|=
,
(1)求cos(α+β)的值.
(2)若
,求cosβ的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e41454b904c58c3ce0dea4b2bc4daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8ce4ec31f49864a4dd9b5437d84b2e.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/e64e76a4c1e5934f51cdca2ffbc8313f.png)
(1)求cos(α+β)的值.
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0ecfca721fb939cb42f4e76157c17c.png)
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