2023高三·全国·专题练习
1 . 下列命题不正确的有( )
(1)
在
是减函数.
(2)正切函数
在定义域内是增函数.
(3)
是偶函数也是周期函数.
(4)已知
,
,则y的最小值为
.
(5)
的对称中心是
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c65d71e57e6e7697e2f627dcd58583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
(2)正切函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffa8ddcbbe89ab0f250f56673e2d36c.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e47275e9eb7d49a2199867a98bf874d1.png)
(4)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c45985b65c0edeacf4194a47dcbb6ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f7ae55a1b32b33d8759d232e664bda.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffa8ddcbbe89ab0f250f56673e2d36c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b1a7cab885917f94c4585d89a4ad97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd448def3fdab5c1d2d615749f7a6be8.png)
A.(2) (3) (4) | B.(1) (3) (4) | C.(3) (4) (5) | D.(1) (2) (5) |
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2023高三·全国·专题练习
2 . 下列结论正确的是( )
A.![]() |
B.若非零常数![]() ![]() ![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次
名校
解题方法
3 . 如图,在平面直角坐标系xOy 中,已知
、
.有一封闭图形ABCDEF,其中图形第一、三象限的部分为两段半径为1的圆弧,二、四象限的部分为线段BC、CD、EF、FA.角
的顶点在原点,始边与x轴的正半轴重合,
的终边与该封闭图形ABCDEF 交于点P,点P的纵坐标y关于
的函数记为
,则有关函数
图象的说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600775bdcf2e10ee397efe76eebcc390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e91ea59bec0420a2406c8fe09d9f0b.png)
![](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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa1739e23c00ffcbed7b8c157fd1174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aa1739e23c00ffcbed7b8c157fd1174.png)
A.关于直线![]() |
B.关于直线![]() |
C.以2π为周期,但既没有对称轴,也没有对称中心 |
D.夹在![]() |
您最近一年使用:0次
2023-04-21更新
|
374次组卷
|
5卷引用:7.4 正切函数的图像与性质-高一数学同步精品课堂(沪教版2020必修第二册)
(已下线)7.4 正切函数的图像与性质-高一数学同步精品课堂(沪教版2020必修第二册)上海市浦东新区2022-2023学年高一下学期期中数学试题上海市南洋模范中学2023-2024学年高二上学期开学考数学试题上海民办南模中学2023-2024学年高二上学期9月月考数学试题上海市上海师范大学附属中学2023-2024学年高一下学期期中考试数学试题
名校
4 . 现有以下这些命题:
(1)函数
对称中心为
.
(2)已知
的外接圆圆心为
,且
,
,则向量
在向量
上的投影向量为
.
(3)首项为
的等差数列
,若从第
项开始为负数,则公差
的取值范围是
.
(4)已知数列
是等比数列,
是其前
项和,则数列
、
、
、
仍是等比数列.
以上命题中,正确的个数是( )
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b251d68de41d0c619714ba7f16d6f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9986e6910612f72c93e2719a5d59f1bc.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c5e71e65d52a7b540e961428878f7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c974e03063582f3c40c1a25db748c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9795e7f5cb9b366776c41d8f3f43942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d792a2aa25763e14cc2863be3887000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d16ab73d086a8b249524869c69dbe7d.png)
(3)首项为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3304e23f3b0f9569c4140ca89b6498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b122d84cce41aa27db4028767ebd38a9.png)
(4)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1752474698cd5466dd180df0a00ba9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524ff8ff8c8bc3e1bcc499f1908a89dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aacaf4a1b543085ebf2617cd600c011a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
以上命题中,正确的个数是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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