设
,关于
的方程
有
个不同的实数解,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01b6fb6a1c7a895df528382a5583444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c87fe66fc7b26127df6377b14dffbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
2020高三·全国·专题练习 查看更多[2]
更新时间:2020-09-10 22:22:46
|
【知识点】 正、余弦型三角函数图象的应用解读
相似题推荐
单选题
|
适中
(0.65)
【推荐1】若函数
的图象过点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff375afe90fdaa9a89939a9f94707f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b094cba781181aeb90752170e9ba6c94.png)
A.点![]() ![]() | B.直线![]() ![]() |
C.函数![]() ![]() | D.函数![]() ![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
解题方法
【推荐2】函数
的部分图象如图所示,关于
有以下说法:
①
的单调递减区间是
,
;
②
;
③
的图象关于直线
对称;
④
的图象向右平移
个单位长度后得到的图象对应的函数为偶函数.其中所有正确的说法个数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/8ce726d7-2757-4858-be04-fba242998eae.png?resizew=182)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c26d1b97473f93b1fff4036750fc506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21fe0af085975a0c7c85e66e344c7be1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99074f989e74d5ff306b4b7b7a379c1f.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c58ca7c56d05c97f521ea55ec59eefe.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41fce61f06cb3997cbdf048759e405e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/8ce726d7-2757-4858-be04-fba242998eae.png?resizew=182)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次