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1 . 已知
为钝角,
为钝角满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/042c0d2aeb08b3a907442ef0accf3c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9fcaa804011c37873b03ee284504fe.png)
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2024-01-06更新
|
1358次组卷
|
3卷引用:吉林省吉林市第一中学2022-2023学年高一(平行班)上学期期末测试数学试题
吉林省吉林市第一中学2022-2023学年高一(平行班)上学期期末测试数学试题(已下线)第13讲:三角恒等变换综合性质-《考点·题型·难点》期末高效复习福建省福州市长乐第一中学2023-2024学年高一上学期1月考试数学试题
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解题方法
2 . 已知
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e482dd69ac1cf7f06552fdf25a217c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79772096e87952331a991e304e7146c5.png)
您最近一年使用:0次
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3 . 已知角
的顶点在坐标原点,始边与x轴的非负半轴重合,终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d34730016376b84804be4b67f17c2d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87097df58a73ff52e0e8deed9630f3e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d34730016376b84804be4b67f17c2d.png)
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4 . 定义在
上的奇函数
,已知当
时,
.
(1)求
的值;
(2)若
使不等式
成立,求实数m的取值范围;
(3)设
,若
有三个不同的实数解,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b5fee94815327a0e7fb0f4b543b1f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b93f55fa19a01c3819b3018735d0abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8377b845162ba355d75c272cad03353.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/677a3cf7614c0f7a9b899aaaaf29bf65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c975bf71284099cf63e1469333db70d.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f6f5bfede1176c3e649d08e80f5b19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30a35245efdf5785e70ed0f9bdc4726.png)
您最近一年使用:0次
2023-12-23更新
|
510次组卷
|
4卷引用:吉林省吉林市第一中学2022-2023学年高一(平行班)上学期期末测试数学试题
吉林省吉林市第一中学2022-2023学年高一(平行班)上学期期末测试数学试题山东省临沂市第十八中学2023-2024学年高一上学期期末模拟数学试题(三)(已下线)高一数学开学摸底考01-新高考地区开学摸底考试卷湖南省常德市汉寿县第一中学2023-2024学年高一上学期期末数学试题
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5 . 已知函数
的图象过点
,若
在
内有4个零点,则a的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc158a809f4b7e123d49011c82a899e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459a3c9d7acffd9476faa1a8564eaf6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc95a4416a1d37750a88c2733825e6d.png)
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6 . 函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1460e4a1178391ab692aa0af66b915b5.png)
(1)求函数
的单调递增区间,对称中心;
(2)将函数
的图象上所有点的横坐标伸长为原来的4倍,纵坐标不变,再将所得图象向左平移
个单位,得到函数
的图象,并求函数
在
的值域.
(3)函数
,已知
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1460e4a1178391ab692aa0af66b915b5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5cfd54f71f123e99b7bab1fe552ad28.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03944b983b5b588c215a0f5de1106b28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b029c131072bf88fe66d55aa5d34fb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7aee715ac87a76f7a00996af77481ed.png)
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解题方法
7 . 已知
.
(1)若
,求实数
的取值集合
;
(2)若
,求实数
的取值集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d551d2a2ce5cbe03ee5a8936cd66fc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdf0492b29dae4fd12e6f1212cf9bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
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8 . 已知关于
的不等式
.
(1)若不等式的解集为
时,求实数
的值;
(2)当
时,求不等式的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed5cb06b59111545bd90cd0f23fd8297.png)
(1)若不等式的解集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5206e8ae92284c14354a0fdba12527c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
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9 . 工厂生产某产品的总成本
与年产量
之间的关系为
,且当年产量是60时,总成本为3000.
(1)设该产品年产量为
时平均成本为
,求
关于
的表达式;
(2)求当年产量为多少时,平均成本最小,并求最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b92df87752d30de1b27ec93106ab170.png)
(1)设该产品年产量为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求当年产量为多少时,平均成本最小,并求最小值.
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10 . 下列叙述中正确的是( )
A.“![]() ![]() |
B.若![]() ![]() ![]() |
C.“![]() ![]() |
D.若![]() ![]() ![]() |
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