解题方法
1 . 若
的部分图象如图所示,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/9fd69db3-e96f-4ed5-a1e5-71d6f1980b10.png?resizew=224)
(1)求
的解析式;
(2)在锐角
中,若
,
,求
,并证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e94b66bb92b07e6069b241ddecc9cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3832ff384ba485c7f2979d4096e4d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9093fb8a4cc1dd6626dcd4020113c2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/9fd69db3-e96f-4ed5-a1e5-71d6f1980b10.png?resizew=224)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca51be437b1a97ca92aa1159ab71102c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15ed33a184dde8bf0a8ea203deb14e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2ab56d5dd25b2eb04fe0f04a7bd705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45d82ce21d86b8e4ae4bf369033e2c39.png)
您最近一年使用:0次
2021-04-18更新
|
1347次组卷
|
2卷引用:江苏省徐州市2020-2021学年高二下学期期末数学试题
2 . 如图,函数
的图像过点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/26f44eb2-78ef-46c1-ae8c-af2b7c17a4d6.png?resizew=269)
(1)求证:
,并写出
的解析式;
(2)指出函数
的单调增区间;
(3)解方程
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb99c6441405726bd58734360911eaeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/26f44eb2-78ef-46c1-ae8c-af2b7c17a4d6.png?resizew=269)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c782473400ca663779f6fe453a1c6e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)指出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)解方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776110dbd7aa019e43ec15964b9f8e4c.png)
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