1 . 已知函数
.
(1)求
的最小正周期和对称中心坐标;
(2)求
的单调递增区间;
(3)若
,α∈
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48360503dd6923f3e76ba134757b9fce.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093fac2026bbf9c08885fd401cdd48bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2cdeafc16bc483c63d2fc797136a6e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
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解题方法
2 . 在
中,
是方程
的两个根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185e5d6f5fc7ab17618117b276a70520.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2a66a5fa5083b28e3fc34f150ed797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac188a1a6638460b9860cf2227a6afc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185e5d6f5fc7ab17618117b276a70520.png)
您最近一年使用:0次
2024-03-20更新
|
827次组卷
|
5卷引用:湖北省咸宁市崇阳县第二高级中学2023-2024学年高一下学期3月质量检测数学试题
湖北省咸宁市崇阳县第二高级中学2023-2024学年高一下学期3月质量检测数学试题上海海洋大学附属大团高级中学2023-2024学年高一下学期3月月考数学试卷内蒙古自治区兴安盟乌兰浩特第一中学2023-2024学年高一下学期第一次月考数学试题上海市复旦大学附属中学2023-2024学年高一下学期期中考试数学试题(已下线)4.2两角和与差的三角函数公式(1)-【帮课堂】(北师大版2019必修第二册)
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3 . 将函数
的图象向左平移
个单位长度,得到函数
的图象,若
是偶函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f248d54aad38a6d53ca10523bcffd29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f025bb0112c19870e3e5d489ec03fcdb.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/46626b75bd7bc420bf32b66e3253b40b.png)
您最近一年使用:0次
2024-02-24更新
|
1015次组卷
|
7卷引用:湖北省咸宁市崇阳县第二高级中学2023-2024学年高一下学期3月质量检测数学试题
湖北省咸宁市崇阳县第二高级中学2023-2024学年高一下学期3月质量检测数学试题山西省长治市上党好教育联盟2023-2024学年高一上学期1月期末数学试题(已下线)5.4.2正弦、余弦函数图象的性质(第4课时)江西省景德镇市乐平中学2023-2024学年高一下学期3月月考数学试题山西省朔州市怀仁市第一中学校2023-2024学年高一下学期第二次月考(3月)数学试题(已下线)专题02三角函数的图像与性质期末10种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)江西省上饶市余干县私立蓝天中学2023-2024学年高一下学期第一次月考数学试题
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4 . 如图,在
的正方形网格中,
都是格点,
为圆
的直径,
在圆
上,请仅用无刻度直尺完成下列作图(保留作图痕迹)
(1)作点
关于直线
的对称点
;
(2)直接标出弦
的中点及圆
的圆心
,并作
弧的中点
;
(3)在射线
上作点
,使
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd557c3ac7908fe535f678a50361b820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/e5d1f9a5-5225-4d65-b6b0-3d0bbf83826f.png?resizew=166)
(1)作点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)直接标出弦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(3)在射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ea3fb90a170f7e4c3b6fae814c3721.png)
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5 . 如图所示,在四边形
中,
,
,在
、
分别找一个点
、
,使
的周长最小,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1939f6a87228b730a32d996014ff3bd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73684ef04ef67bc31f52fb5f841a6423.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79a7ef38e3119d1f151deadf617ec94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/b34ab214-6fef-4b6d-8ba3-4a222021fc51.png?resizew=141)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 下列几何体是由5个相同的小正方体搭成的,从上往下看得到的视图是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/4f96e8fe-ca18-4aaa-834f-f665c7aaa449.png?resizew=120)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
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7 . 小明在练习操控航拍无人机,该型号无人机在上升和下落时的速度相同,设无人机的飞行高度为
(米),小明操控无人飞机的时间为
(分),
与
之间的函数图象如图所示. 以下结论:①无人机从40米上升到60米用时1分钟;②无人机在40米的高度上飞行了3分钟;③无人机距地面的高度为50米时
的值为5.5;④无人机从60米的高度返回地面用时3分钟.其中结论正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/41b418e3-b947-47fc-8ab3-3fc4eb049bbd.png?resizew=171)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/41b418e3-b947-47fc-8ab3-3fc4eb049bbd.png?resizew=171)
A.4 | B.3 | C.2 | D.1 |
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8 . 如图,
、
分别是
边
,
上的点,
,若
,
,
,则
的长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/a53e4902-6ddf-4528-9e7e-3b3d6ca3ea6a.png?resizew=136)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18855251ca1ec22ef2bee8d674682fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf3746205daae4787d8e31d74ba79e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377f5c10cf527c87ab06bff61384f7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c98f0db1041fa3f958e44c09a5483f19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f79d7939c88e9702962e5917cad290.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/a53e4902-6ddf-4528-9e7e-3b3d6ca3ea6a.png?resizew=136)
A.1 | B.2 | C.3 | D.4 |
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9 . 在平面直角坐标系中,若将一次函数
的图象向左平移3个单位后,得到一个正比例函数的图象,则
的值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7e080f7373c7314109d181d7bc611d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
10 . 工厂从三名男工人和两名女工人中,选出两人参加技能大赛,则这两名工人恰好都是男工人的概率为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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