1 . 已知函数
.
(1)求函数
的最小正周期和对称轴.
(2)设函数
,若
在
上恰有2个不同的零点
,
①求
的取值范围;
②求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde8c428ee091edd61596b769bb763a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2927a90cce7fe0105d3b0cbfcc30ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e9a5ba12522f68daaa341f38b1c6d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9010d7e08a2fe884364412545b481c60.png)
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2 . 已知
.且
,函数
的最小正周期为
.
(1)求函数
的解析式与单调递增区间;
(2)在锐角
中,内角
的对边分别是
,点
在
上,且
平分
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb340a5e9b1aa6b8c9ec9f034e23ad05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bf21fef3026cfe445a855c94cab5c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2d1ecae9c649cc3c89f9ce0c063208.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)在锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf9899f990f4bf09d39c7bd42c5d9bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b425bf3f0e9eab16495e161a1655a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
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2024-06-12更新
|
718次组卷
|
2卷引用:湖南省湖湘教育三新探索协作体2023-2024学年高二下学期期中联考数学试题
解题方法
3 . 设函数
,
为第四象限角.
(1)化简
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b33c77370a3b01b618ba6c224ee1c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b72136837fdf1c0f625ad7284c7f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de41fe0f41d4e8b9af73a10f569f4b1.png)
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4 . 已知函数
.
(1)求
的单调递增区间;
(2)当
时,求
的最值及取到最值时
的值;
(3)当
时,关于
的不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb18bf398fcc3f12f1d7dd7b23cc79bd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2de05b1375ed3b6662beb65b21e52c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bbe6deff19943e8c12f70560ff5df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af59510e127fdfe494b4adb23896090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
5 . 已知函数
.
(1)若
是三角形的一个内角,
,求
的值;
(2)设函数
,若
在
时恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b7620be0133072bbf6ad0abc48f191.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47fbc8b1d9c50ede502bc9b8be36a361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbeb49acfaa389c6160f79fd03ab657c.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bff37cbe36d0893e67338b7ec05a3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d61edf1cac265eb105c008f05d707d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129304699b4e99503d97206f9b2629d8.png)
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解题方法
6 . 已知函数
.
(1)将
化成
的形式;
(2)若对于任意的
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a65875c5582fb949c3e90f71fbbe6eb.png)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2c108e2dd6eaa6a4b49ee5e668ba6c.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1624bedea27946bd568efd6c1013b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
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解题方法
7 . 已知函数
.
(1)求
的单调区间;
(2)若函数
,求
的图象的对称中心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae290101b15a09c9542f6f5134f40ff1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/181e85e149a84201045b1a6431f94ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86135bd40536042536c1c7bed21d0171.png)
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8 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3323347f6f9a359b4500cadbe1f2ecb7.png)
(1)写出函数的单调递减区间;
(2)设
,求
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3323347f6f9a359b4500cadbe1f2ecb7.png)
(1)写出函数的单调递减区间;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9105ca8bf7775f0efcb7bb8c6d80cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解题方法
9 . 如图,半圆的直径
,
为圆心,
,
为半圆上的点.
的位置,使
的周长最大,并说明理由;
(2)已知
,设
,当
为何值时,四边形
的周长最大?并求出最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15416b74b2ecbcfa38cf34a9ffff730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87d2a7224c0bfb1e460408991c568e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数
,其中
.再从条件①、条件②、条件③中选择一个作为已知,使
存在,并完成下列两个问题.
(1)求
的值;
(2)若函数
在区间
上的取值范围是
,求
的取值范围.
条件①
;
条件②
是
的一个零点;
条件③
.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd20824c1690dfddfbb2b874b637547f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9531427f246890e815b7ed47e78daa78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbae0d22d931ac42b565c7990764a2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e254a7d08060fb2655d5b07df06e7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
条件①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165a8711673aec9f3dcf75d7ed00a25.png)
条件②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61e73c2ecd98d278404b688654b3038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
条件③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21af7b21fbf7076b2fd4834aed038f95.png)
注:如果选择多个条件分别解答,按第一个解答计分.
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