解题方法
1 . 中国文化中的太极八卦图蕴含了现代哲学中的矛盾对立统一规律,如图1是八卦模型图,其平面图形记为图2中的正八边形
,其中
,若点P是其内部任意一点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17d4a6cf11cda87b3dfafaecdec683f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52705567101a48893de582656ef41527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85b8d017e422f158fe09ed9c867ecfe7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 已知等差数列
,
,……,则该数列的前n项和
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adb27896219fcacbcf9e01b99f92a893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa792c87a2ea4947e0a29b30a648cde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
A.无最大值,有最小值 | B.有最大值,无最小值 |
C.有最大值,有最小值 | D.无最大值,无最小值 |
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3 . 对于函数
,给出下列结论:
①函数
的图象关于点
对称;
②函数
的对称轴是
,
;
③若函数
是偶函数,则
的最小值为
;
④函数
在
的值域为
,
其中正确的命题个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c8d435a354619cec663604f939e8bf.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5bf205e9f4484245474d6889b168d45.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4293b70e323dcd5d9441767fd6ece384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232d1ce3ad14256b1543e6007ff1675d.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a46a0fc7c90b66b3aeb64aa64448eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d061d17bbc13e2d61a0c4aee0cb9ced3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e24f048f9a87274863ba2c037d7a5c.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8f1b68c4e44b4fac6780cc7a04b2562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d60cbaaa322c6e2ea61db5be77e412a7.png)
其中正确的命题个数是( )
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
解题方法
4 . 在平面直角坐标
中,已知任意角
以坐标原点为顶点,
轴的非负半轴为始边,若终边经过点
,且
,定义
,称“
正余弦函数”,对于“正余弦函数
”,有同学得到以下性质,
①该函数的值域为
;②该函数的图象关于原点对称;
③该函数的图象关于直线
对称;④该函数为周期函数,且最小正周期为
.
其中正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbec8b46231e412ddce55cc96634e182.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a2e3e8ba8d8b954d9c338172267f0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d195251c538188be93fac7c111c460f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc511a962577dfb7ecf0838c81e51f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b77e6866074c5822667e97ba5c1d287.png)
①该函数的值域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac10d34279d02a598c6fc32326b67c47.png)
③该函数的图象关于直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9444dc753b82bcc92bc9de494a9d7547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2d7c958e99bcd9d7f251c19ee3544.png)
其中正确的个数是( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
5 . 将函数
的图像向上平移1个单位,得到
的图像,若
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09703e01b721e3ee52f598cfa0d85509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64a488d6c63557b42672035a5d2886a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
A.1 | B.2 | C.3 | D.4 |
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解题方法
6 . 在平面直角坐标系中,对任意角
,设
的终边上异于原点的任意一点
的坐标为
,它与原点的距离是
.我们规定:比值
分别叫做角
的正割、余割、余切,分别记作
,则下列叙述正确的有( )个.
①
;
②
;
③
;
④
有意义的条件是
;
⑤
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e95dcba475a8e4b581c31c770199aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ad81d7f478b49ca8bf4927a6e8880c.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1304f25bfdd5a5d7504f89aa6195ec8.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14584370ddf4d9e6713d46146b47ffd8.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17621648361b392a77642935e4683e71.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9085195f5d04d5e224f4c8df470a9c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e08917d394e5325ea38d991ffb84741.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb15a153edf022bc907cb4d6e7949f7.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
名校
解题方法
7 .
,则
是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fef9448a4543cfa163d53da6603349f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.第一或第二象限角 | B.第二或第四象限角 |
C.第一或第三象限角 | D.第二或第三象限角 |
您最近一年使用:0次
2024-03-25更新
|
251次组卷
|
2卷引用:上海市闵行第三中学2023-2024学年高一下学期3月月考数学试题
名校
8 . 存在
,使得
的否定形式是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
A.存在![]() ![]() | B.不存在![]() ![]() |
C.对任意的![]() | D.对任意的![]() |
您最近一年使用:0次
2024-01-14更新
|
462次组卷
|
3卷引用:上海市闵行中学2024届高三下学期4月月考暨二模模拟考试数学试卷
名校
9 . 已知
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce77884d2961257f34c411bb721081f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5805a4fb349c844e5e0a2ee02b66ebc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea134f599285e3d32d2ab3e7186990.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
2024-02-03更新
|
758次组卷
|
2卷引用:上海市闵行区2023-2024学年高一上学期期末学业质量调研数学试卷
解题方法
10 . 已知函数
(
)的值域是
,有下列结论:①当
时,
;②当
时,
;③当
时,
.其中正确结论的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc55dad1ca22a21903920444f159a9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46b03f241208edaab2ed7a5be62abf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd09fb9482124fd35f19b86894648f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74eab5d37018548907b316e3b83b5cbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d161ea3baa8e550ab73b5501548453.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01f5f47c1f7dfc9ea759539fd59f223f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/714e169b4a3968718c3c00b1b72d494d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74eab5d37018548907b316e3b83b5cbd.png)
A.0个 | B.1个 | C.2个 | D.3个 |
您最近一年使用:0次