名校
解题方法
1 . 下列函数中均满足下面三个条件的是( )
①
为偶函数;②
;③
有最大值
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b61adc4745f283e4072ddd762f92ffe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2卷引用:安徽省池州市2024届高三上学期期末数学试题
2 . 如图,任意角
的终边
与以
为圆心2为半径的圆相交于点
,过
作
轴的垂线,垂足为
,记
的面积为
(规定当点
落在坐标轴上时,
).
(1)求
的解析式;
(2)求
取最大值时
的值;
(3)求
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fdc02f00cf00a6dfd88b53a90f1f7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b7bff9b2431134f7683a9cc4e68acd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/c8e51a55-dac5-43fa-a326-229ec61a5e6e.png?resizew=158)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
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名校
解题方法
3 . 下列结论正确的是( )
A.![]() |
B.![]() |
C.![]() ![]() |
D.![]() |
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名校
4 . 如图所示为某小区在草坪上活动区域的平面示意图,在
四个点分别建造了供老年人活动的器械.
四个点所围成的四边形即为老年人的活动区域.为了便于老年人在草坪上行走,小区建造了
,
,
,
,
,
六条步行道,其中
,
,
,
.设
,
,
为四边形
的面积.
(1)若
,求
的值:
(2)求
的最大值,并求
取到最大值时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe7f0401adb20a8b873d6997b2f6a236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf10d92f20501e19d25f6f4159aab89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597ce705d3a2fe04d29de9e81ec6250d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f55b8836b41be612a52ca9caf97006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/5/4e8ccf15-630c-4b51-a584-c6a17b8834e6.png?resizew=167)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7087fc7d2ed3e68b3cb309114afde9aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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2023-11-14更新
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485次组卷
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3卷引用:上海市建平中学2024届高三上学期期中数学试题
5 . 若函数
的最小值为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cbb627b0ec5e011b7bf8a21437d1c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() |
C.存在实数![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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3卷引用:辽宁省朝阳市名校联考2023-2024学年高三上学期开学数学试题
解题方法
6 . 判断正误(正确的填“正确”,错误的填“错误”)
(1)已知
是三角形的内角,则必有
,
.( )
(2)若
,则角
为第一象限角.( )
(3)对于任意角
,三角函数
、
、
都有意义.( )
(4)三角函数值的大小与点
在终边上的位置无关.( )
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb6e94acb09a3d0e51aab9df90ad1b35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c8e147be3c14f91b4d549c18269880.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79c08bf360d4f12c0880d5a05fb87b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(3)对于任意角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(4)三角函数值的大小与点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
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解题方法
7 . 下列各式最小值为4的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 参数
对
图象的影响.
(1)一般地,函数
的图象,可通过把正弦曲线上的所有点向左(当
时)或向右(当
时)平移_____ 个单位长度,就得到函数
的图象.
(2)一般地,把
图象上所有点的横坐标缩短(当
时)或伸长(当
时)到原来的____ 倍(纵坐标不变),就得到
的图象.
(3)一般地,把
图象上所有点的纵坐标伸长(当
时)或缩短(当
时)到原来的_____ 倍(横坐标不变)而得到.从而函数
的值域是______ ,最大值是___ ,最小值是___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb949d5786d86460eac747a94923542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5560425727c95ea2e57e657fad919d5f.png)
(1)一般地,函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac2d92e0eb3a6e79b4d465c33417c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04b2fa62cb0e22d7268848987abc0c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f670713261d2dfd43637f70d25c213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00288a55aeecf48d33cdc1277307c90d.png)
(2)一般地,把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ac2d92e0eb3a6e79b4d465c33417c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219e526faaa7fb02d01ec55b947a9dfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8b79682b1872ca13d4d119adc01613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae26042cc00e3d363ac747ecd087f63.png)
(3)一般地,把
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae26042cc00e3d363ac747ecd087f63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b69a043b6e42ee738da62882676180c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bfce48d65f63a4cb00651dcb8302a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5560425727c95ea2e57e657fad919d5f.png)
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9 . 合肥一中云上农舍有三处苗圃,分别位于图中
的三个顶点,已知
,
.为了解决三个苗圃的灌溉问题,现要在
区域内(不包括边界)且与B,C等距的一点O处建立一个蓄水池,并铺设管道OA、OB、OC.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/16/54741e13-2871-4829-8d7f-a55d96e57669.png?resizew=165)
(1)设
,记铺设的管道总长度为
,请将y表示为
的函数;
(2)当管道总长取最小值时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a132fb83f4908f7163849dff77720425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ff8dd21fa20b5195de62164642f985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/16/54741e13-2871-4829-8d7f-a55d96e57669.png?resizew=165)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8e9987e48e37f731bbafcdc5098d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e084ae38a5dc1db3c411b5fd3787b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)当管道总长取最小值时,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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2023-05-15更新
|
574次组卷
|
4卷引用:安徽省合肥市第一中学2022-2023学年高一下学期期中考试数学试卷
安徽省合肥市第一中学2022-2023学年高一下学期期中考试数学试卷江西省吉安市宁冈中学2022-2023学年高一下学期6月期末考试数学试题(已下线)模块四 专题6 大题分类练(三角函数)基础夯实练(人教A)期末终极研习室广东省广州市广东实验中学2024届高三上学期大湾区数学冲刺卷(三)
10 . 已知变换
:先纵坐标不变,横坐标伸长为原来的2倍,再向左平移
个单位长度;变换
:先向左平移
个单位长度,再纵坐标不变,横坐标伸长为原来的2倍.请从
,
两种变换中选择一种变换,将函数
的图象变换得到函数
的图象,并求解下列问题.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/8796d9ab-4ab3-45f2-8f23-8f80ec1c42ce.png?resizew=344)
(1)求
的解析式,并用五点法画出函数
在一个周期内的闭区间
上的图象;
(2)求函数
的单调递减区间,并求
的最大值以及对应
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9275bd8ce17fcc4a786510b008414ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e9a724b59c890095baa5cb73e267c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9275bd8ce17fcc4a786510b008414ab0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575bf90ff130fbf9a4c3622a08d9edca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/8796d9ab-4ab3-45f2-8f23-8f80ec1c42ce.png?resizew=344)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead725b2b126cc8d5f0cf059175a4ee5.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2023-05-02更新
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403次组卷
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3卷引用:江西省智慧上进联盟2022-2023学年高一下学期期中调测试数学试题