名校
1 . 已知函数
.
(1)求
的最小正周期及单调递增区间;
(2)若
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc84fc7a501d15dc107950120af91b7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3adbb701b7084868e1eabc8780c939b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 如图所示,以
为始边作角
与
,它们的终边分别与单位圆相交于点
,
,已知点
的横坐标为
.
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99981be1c406b30b49185304864d9700.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b5508dddaaea532f007b2ff5351a5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/247666b781d4289ea1af61e103418a03.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7488416c7730fc97cdf2999bfc509959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
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3 . 如图所示,已知在
中,点
是以
为对称中心的点
的对称点,
,
和
交于点
,设
,
,
(1)用
和
表示向量
、
;
(2)若
,求实数
的值,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/d00423e12d670dc17e915ca6a82055c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/420ad6159fc091d6a5ffddf0676d2662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c2e7e9fd8519fd1c293cc577408263.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/a5e026e3-3f1f-47d6-a70a-b333c174eaf1.png?resizew=151)
(1)用
![](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/ef8337706c550bc095d7a2bd872221a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c085dbb9d78aef7d81c3f4d6855f067b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c70d3674afde7efd0bbafc68e50b828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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4 . 已知函数
,
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/96e3197a-0879-4e87-bc26-c856b6366440.png?resizew=201)
(1)用五点作图法画出函数
在一个周期
上的简图;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf25160dc2f11774369535e63f43f94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/9/96e3197a-0879-4e87-bc26-c856b6366440.png?resizew=201)
(1)用五点作图法画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5ee204c241083c776e74af1120dd7d3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424f76f6ff5067dbeca0fcb40b5aba5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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5 . 定义在
上的函数
,已知其在
内只取到一个最大值和一个最小值,且当
时函数取得最大值为2;当
,函数取得最小值为
.
(1)求出此函数的解析式;
(2)是否存在实数
,满足不等式
,若存在求出
的取值范围,若不存在,请说明理由;
(3)若将函数
的图像保持横坐标不变,纵坐标变为原来的
得到函数
,再将函数
的图像向左平移
个单位得到函数
,已知函数
的最大值为10,求满足条件的
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a0d74ba58e18512a8a91ed09beee8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5337869ed30afa95110baf82e9217349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c3319647314c3b6d82958a909acd2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70719196c31ca0bf8612a01b14cb8905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
(1)求出此函数的解析式;
(2)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0aaa60c139c55094f2a9fdd1c3f3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda96c08c50e3495200bb200175732e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8836160809bee52e0ee3c3cde27334d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abe84f65c9c4345ae5ddcdafa89e7273.png)
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2024-04-03更新
|
249次组卷
|
2卷引用:江西省瑞昌市第一中学、修水县第一中学2023-2024学年高一下学期第一次月考数学试题
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解题方法
6 . 设函数
.
(1)若
对一切实数x恒成立,求实数a的取值范围;
(2)若关于x的方程
在
有实数解,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e622d50580dec07a9ff5f9260f3f74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614ed28098d3b96511ae0ae7746dd364.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfcc2c549491cfba7d289c6175c2cdff.png)
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7 . 已知角
的终边经过点P
,求下列各式的值.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880b7992d10ec6af9169c97da33c3ae8.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/875f7614a771141f5365a5ee56e1cd0c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ccbbee4812bb88f7820927d03b9f20.png)
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8 . 已知
为第二象限角,且
.
(1)求
的值;
(2)若函数
的图象关于直线
对称,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc72942147b5880279072c44b4c3dd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196f642155c53ba061da16acfe44e6c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8973254e0eeb29a0add0e4677ce5337b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a881dc7dbb9b101c7ddc38930c15a6.png)
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2023-06-09更新
|
230次组卷
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4卷引用:江西省九江市2022-2023学年高一下学期5月联考数学试题
江西省九江市2022-2023学年高一下学期5月联考数学试题江西省部分高中学校2022-2023学年高一下学期5月第三次联考数学试题(已下线)模块二 专题2 三角函数恒等变换 单元检测篇 A基础卷 (苏教版)(已下线)专题5.5 三角恒等变换-举一反三系列
9 . 已知
.
(1)求
及
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4755a752b9327791304fc1b35f3abfc4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9920ef0cea34d446c30daa22145ea011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602c6cae6aa04f6f04463f71cae0819c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e786a85c926631edaac1882951a9ed4.png)
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2023-06-09更新
|
803次组卷
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3卷引用:江西省九江市2022-2023学年高一下学期5月联考数学试题
22-23高三上·江西·阶段练习
名校
10 . 设常数
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b1bc60dfb88d56b6d4177d02351cd2.png)
(1)若函数
的图象关于
对称,求
的值;
(2)若
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7b1bc60dfb88d56b6d4177d02351cd2.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2ec02caf837c6e7e0b76dd9acc7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256f3981024e53f373a80aad40e994ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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