名校
解题方法
1 . 已知
,求
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b87267f4c092b8eb061df3b05e7904e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86bfd74406f0aeb9b2de92cc45aadc82.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 已知向量
,记
.
(1)求方程
的解集;
(2)若函数
,求
在区间
上的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe8d7c81c52751cb6c94251bff6bc8fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e7b2150ed88d3ffdec3d142617eacf.png)
(1)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907e4ba6d5f2eea68442def1911957fe.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a49eae9655597f128c85313dbc1ca27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da0b1b34a0cb69bd9e0a4622b6352968.png)
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名校
解题方法
3 . 已知
,其中
.
(1)当
,
时,
①任意写出
的一条对称轴;
②求证:
;
(2)若对任意
,
,求
所能取到的最小值和最大值,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba354888ba7e2065e85656c20f31005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/191d9381c4f252fbb5553ba72462d0aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5805d32dc3582d0a706c015875c15eb9.png)
①任意写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
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解题方法
4 . 五一假期,杭州吴山广场的鸽子吸引了众多游客.热爱摄影的小华计划在广场一角架设一台可转动镜头的相机,希望可以捕捉到鸽子的展翅瞬间.小华设计了一个草图,为简化模型,假设广场形状为正方形,边长为1,已知相机架设于A点处,其可捕捉到图像的角度为
,即
,其中P,Q分别在边
,
上,记
.
与
相交于点R,当
时,
(ⅰ)求线段
的长;
(ⅱ)求线段
的长;
(2)为节省能源,小华计划在广场上人员较多的时段关闭相机镜头的自动转动功能,为使相机能够捕捉到的面积(即四边形
的面积记为S)最大,
应取何值?S的最大值为多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d7ea65be0351e839d45d598dfb254b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5e2024c868a5b6fd6da53881422e01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233833048b34c91d3221ca3aa88468a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e430f13f42cf2d44aa0f0e20b959684f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dff937114137ebad16c7576bf2849b00.png)
(ⅰ)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab64bf465405cd87bb03f8cb61cb315.png)
(ⅱ)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae0998f562e478421adae3377aa700e5.png)
(2)为节省能源,小华计划在广场上人员较多的时段关闭相机镜头的自动转动功能,为使相机能够捕捉到的面积(即四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be87b8293fbf86e305d09cc19fd42f27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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解题方法
5 . 设
为锐角,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812c247616148916c3f44bd9333a8c10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a949af69305cc8786589b460f66ceb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 由三角形内心的定义可得:若点
为
内心,则存在实数
,使得
.在
中,
,若点
为
内心,且满足
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdcc0b70816744ef6fadb8dafff52e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acdd2de4d9b215c8f5b33d01828c7e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8954ac84d5a64358d2876a62f2a439b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
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7 . 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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解题方法
8 . 设
,
,
,则
,
,
大小关系( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a2d3845e56b90cbcde63c3f2799be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8e3777f749d171eb1ce01f203ce3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4160ad3ccc1aa36b90f4ac7d5f21a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 设常数
,
,若函数
在区间
上的最小值为0,则
的最大值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eace4fcb02f43f6cabc208938697e42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c6c37ce441a8ed77c8e3953e8fe1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
10 . 已知
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e2889e6b398fcde00478ee9fe1c7c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29b96b23f694b8c9ffbddfb34bd2908.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-06-08更新
|
705次组卷
|
3卷引用:上海市嘉定区第一中学2023-2024学年高一下学期学业水平诊断(一)数学试卷
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