设
,
,已知函数
的图象在区间
内恰有4条对称轴,且函数
为偶函数.
(1)求
的值以及
的取值范围;
(2)当
取得最大值时,将
的图象上所有点的横坐标缩小为原来的
,再将所得图象向右平移
个单位长度,得到函数
的图象,求函数
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb61a448347a3f8c1f126d1c00730cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad14579830d0293b1390911cb603eb02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41e02a861f23bc0486bf6b2b68c19b0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/738c2eb3b99133f96c55b643911d2f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730511e5c675812664f9c7b297ad0a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351597900b11ef98a3fedf0ba5e80330.png)
23-24高三上·河南·期中 查看更多[2]
更新时间:2023-11-28 09:23:46
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解答题-问答题
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【推荐1】(1)已知某扇形的圆心角为
,半径为15cm,求扇形的面积;
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【推荐2】如图,在正方形ABCD中,AB=2,E为BC的中点,点P是以AB为直径的圆弧上任一点.设
,
![](https://img.xkw.com/dksih/QBM/2021/2/2/2649425512742912/2649579286347776/STEM/62614e5f03104c2a88717619abc5b3b6.png?resizew=166)
(1)求
的最大值、最小值.
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2bc0e9329bcd6bd77195d60c453bd03.png)
![](https://img.xkw.com/dksih/QBM/2021/2/2/2649425512742912/2649579286347776/STEM/62614e5f03104c2a88717619abc5b3b6.png?resizew=166)
(1)求
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(2)求
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【推荐1】已知
,其中0<
<4,且函数
的图象关于直线x=
对称.
(1)求
的最小正周期;
(2)在△ABC中,角A,B,C所对的边分别为a,b,c,若
=2,c=
,求△ABC面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e83bd17f22b277ad9bdb5a6775761260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
(2)在△ABC中,角A,B,C所对的边分别为a,b,c,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8946c9edb6303fa8100a03a2a88c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
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【推荐2】在①
的图像关于直线
对称,②
的图像关于点
对称,③
在
上单调递增这三个条件中任选一个,补充在下面的问题中,若问题中的正实数
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已知函数
的最小正周期不小于
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c8eafcec5694af6d758049c80fb905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd09f892e68ca2c0ab4c68e96fec1b21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4814cc69393408433ac56a06c8e86855.png)
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已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60163cf68316eecf4e5c36b5d2b35cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bf8f461cef9ce98043fd0ab9f6e742d.png)
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【推荐1】已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/23/d30ca7d9-e5ec-439a-8f2a-c3e85e0cf007.png?resizew=193)
(1)求函数
的解析式;
(2)将函数
上各点的纵坐标不变,横坐标缩短到原来的
倍,再将得到的图象向下平移
个单位长度,得到函数
的图象,求
在区间
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d522e03528ab82d66e7856bdd8a51adf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/23/d30ca7d9-e5ec-439a-8f2a-c3e85e0cf007.png?resizew=193)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f790aac99c562c687bc74a084f0ea7.png)
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【推荐2】已知函数
(
,
,
)的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/10/fbe32861-e288-418c-bff4-7e53cf940863.png?resizew=177)
(1)求
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(2)将
的图象向右平移
个单位长度,再将所得图象上所有点的横坐标伸长为原来的
倍,纵坐标不变,得到函数
的图象,若关于x的方程
在
上有两个不等实根,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20be4abeb3c2da2f31c090ed4b50313a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb61a448347a3f8c1f126d1c00730cc0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/10/fbe32861-e288-418c-bff4-7e53cf940863.png?resizew=177)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
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【推荐1】已知A、B、C是
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(1)求角A;
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(1)求角A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665ed42af06724791c281e269e1e8a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721e29b775e696045f44a4b1e7f74ef2.png)
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【推荐2】在半径为
的半圆形空地上,某小区准备设计三个矩形地块栽种一种花草,三个扇形
,
,
的圆心角均为
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内接矩形的最大值.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb802b0cd77d772dceff0d9ff6c879ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3201d3796ed9a29338aac25245a7c8e2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/4ec022ab-177a-4bff-b980-29d9594b0449.png?resizew=148)
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