在
中,内角
的对边分别为
,且
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e827d51b029e990634aa62dd63295dc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2413c0b4c07621a6cab64c29c3172b18.png)
A.2 | B.4 | C.![]() | D.![]() |
23-24高一下·湖南长沙·期中 查看更多[2]
更新时间:2024-05-02 14:31:01
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单选题
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适中
(0.65)
【推荐1】已知函数
的图象,如图所示,则( )
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967325653811200/2972044326707200/STEM/0cf9f88c-fd2a-45c7-a46d-a562b324ce70.png?resizew=204)
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A.函数![]() ![]() |
B.函数![]() ![]() |
C.曲线![]() ![]() |
D.函数![]() ![]() |
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【推荐2】已知实数
,
满足,
,则
的最大值为( )
![](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/bc2c17fca5d9b70a31a66e791d830163.png)
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A.![]() | B.1 | C.![]() | D.2 |
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解题方法
【推荐1】椭圆
上的点
到直线
:
的距离的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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【推荐2】已知函数
(ω>0),若f(x)在区间
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a08e532744ff977452ec7a17c05c84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aebb9595cfebe608e2b3ec06c10421dd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐1】如图所示,已知半圆的直径
,点
在
的延长线上,
,点
为半圆上的一个动点,以
为边做等边
,且点
与圆心
分别在
的两侧,则四边形
面积的最大值为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc00e548637370b129076f633aae654.png)
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【推荐2】记
的内角
所对的边分别为
,则
边上的高为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6315479cf3113d17061f18e730766b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】在
中,角A,B,C所对的边分别为a,b,c,若
成等差数列,且
的面积为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d6e7e03305ce819a63b754cab365c6c.png)
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您最近一年使用:0次
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【推荐2】在
中,角
所对的边分别为
,且
,
的面积为
,则
( )
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A.4 | B.![]() | C.4或![]() | D.![]() ![]() |
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