解题方法
1 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ed8bad5c9eb7d92135bfe4b4241678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30300e77cf77824935ac73047a952f4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知函数
,
,且
在
上单调递增
(1)若
恒成立,求
的值;
(2)在(1)的条件下,若当
时,总有
使得
,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b418ba4ab8c76e2ef62a1dc2a76643e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81989863e06341529f98f5fc542d220.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81ea52d222cd4e4a3ce1dd331adb22f3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31d182b3c67471c4c6882ea9d718e029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)在(1)的条件下,若当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e7d2fa48f923bb95d2dd7c7c19ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb70e0290f52259d123002f5e69ec26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-02-21更新
|
937次组卷
|
6卷引用:海南省2022-2023学年高一下学期学业水平诊断(一)数学试题
解题方法
3 . 已知角
的顶点在坐标原点,始边与
轴正半轴重合,终边经过点
.
(1)求
,
的值;
(2)若
,且
,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed51623f4856b7f8166db54783b9491.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2894710ad17e08f1b98760e66bf02c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a335abba93abcbd8754d364fc5311de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8114e78ac5798c981a09a8d282875f99.png)
您最近一年使用:0次
2023-02-21更新
|
295次组卷
|
2卷引用:海南省2022-2023学年高一下学期学业水平诊断(一)数学试题
名校
4 . 已知函数
的图象与
轴交于点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c228fa5a650cfdc651423b15d57ec0b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f56c293f834c993b5732c36359431eb.png)
A.![]() ![]() |
B.直线![]() ![]() |
C.当![]() ![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2023-02-21更新
|
554次组卷
|
2卷引用:海南省2022-2023学年高一下学期学业水平诊断(一)数学试题