解题方法
1 . 定义在R上的不恒为零的偶函数
满足
,且
.则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca5358a7270b18860177d4e136fcfda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99d002d8423808d081345bdac6c25f07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b36c69d3fe13457ed800dfbe156e129.png)
A.30 | B.60 | C.90 | D.120 |
您最近一年使用:0次
解题方法
2 . 已知函数
的部分图象如图所示,则满足条件![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0f668a1096240e60ebcc44f7ff1bd6.png)
的最小正偶数x为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6927367108dcf8095cc2c7c8ab0fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db0f668a1096240e60ebcc44f7ff1bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bda2395a1a4debf274f75ff4b6bd723.png)
![](https://img.xkw.com/dksih/QBM/2022/4/24/2965201222459392/2969307095744512/STEM/3e07c6ed-5532-4339-8cdd-d0b8f0aeea9c.png?resizew=229)
您最近一年使用:0次
2022-04-30更新
|
1446次组卷
|
3卷引用:内蒙古包头市2022届高三第二次模拟考试数学(理)试题
内蒙古包头市2022届高三第二次模拟考试数学(理)试题(已下线)考点4-1 三角函数图像和性质 (文理)第五章 三角函数(A卷·基础提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(人教A版2019必修第一册)
名校
解题方法
3 . 在
中,角A,B,C的对边分别为a,b,c,若
,
,点P是
的重心,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ac616efef9fe236565d74000061ab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cab772241b7ed814073818bee03719f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2020-04-27更新
|
2391次组卷
|
6卷引用:内蒙古北方重工业集团有限公司第三中学2020届高三下学期第四次模拟考试数学(理)试题