1 . 在
中,
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/516e03c8b44f0655f5d4be5c4f1deec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f186ea827f7becafd1ac4955e22c6812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
2022-04-14更新
|
600次组卷
|
7卷引用:河南省豫北名校联考2021-2022学年高二下学期期中考试理科数学试题
名校
解题方法
2 . 已知函数
,则函数
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0509cd082b67942fc78d6183df7110f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2022-03-26更新
|
463次组卷
|
2卷引用:河南省濮阳市第一高级中学2021-2022学年高二下学期期中考试数学(理)试题
名校
解题方法
3 . 若函数
在
内单调递增,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e6b36cfaf0bd3daad4cba17574079c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2372f424431ce7b547a66b7d61d75421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-03-25更新
|
1251次组卷
|
5卷引用:河南省三门峡市2022-2023学年高三上学期11月阶段性考试数学(理)试题
河南省三门峡市2022-2023学年高三上学期11月阶段性考试数学(理)试题安徽省安庆市2022届高三下学期二模文科数学试题(已下线)考点3-2 导数应用:单调性、极值与最值(文理)-2023年高考数学一轮复习小题多维练(全国通用)第二章 导数及其应用(B卷·提升能力)宁夏回族自治区固原市西吉中学2024届高三上学期第五次模拟考试数学(理)试题
解题方法
4 . 已知
的内角A,B,C的对边分别为a,b,c,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da877d8cbde3c5061479baa3913f906.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2022-01-16更新
|
320次组卷
|
3卷引用:河南省南阳地区2021-2022学年高二上学期期中热身摸底考试数学试题
名校
解题方法
5 . 在
中,若
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491b688834f5003049e3b25d358a087e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04513f77274f26fd6bce8e5248a49210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b9afe6e2307c6a8b0097a6c45b227c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 在
中,角
,
,
所对的边分别是
,
,
,已知
,则
的形状是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae828b0ea65beb8f3867709953feebf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.钝角三角形 | B.直角三角形 | C.锐角三角形 | D.不确定 |
您最近一年使用:0次
2021-11-25更新
|
195次组卷
|
2卷引用:河南省新乡市2021-2022学年高二上学期期中考试理科数学试题
解题方法
7 . 在锐角
中,角
,
,
的对边分别为
,
,
,
的面积为
,
,
.
(1)求角
的大小;
(2)求
周长的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49b13a48936af70d16d940c926c1b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
您最近一年使用:0次
8 . 已知函数
.
(1)求函数
的最小正周期;
(2)当
时,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d8f73c8fb4c8cbeac0df73b4da84dd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9720087e589bf3d16877ddcf4712cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2021-11-21更新
|
427次组卷
|
4卷引用:河南省名校大联考2021-2022学年高三上学期期中考试文科数学试题
解题方法
9 . 已知
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/431daf06067704cff84b8e31e9afbcd5.png)
_______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf48779e7bc7c5b0ea65bfc6fec488d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6016ab4d301413f3f388a00c63fc885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/431daf06067704cff84b8e31e9afbcd5.png)
您最近一年使用:0次
2021-11-21更新
|
304次组卷
|
4卷引用:河南省名校大联考2021-2022学年高三上学期期中考试文科数学试题
10 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec963f0e675bbc79ef417ef3ec2bc96.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787247cc09a3c2d030846702f4afc7fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec963f0e675bbc79ef417ef3ec2bc96.png)
您最近一年使用:0次