解题方法
1 . 已知函数
满足关系式
其中
是常数.
(1)设
,求
的值;
(2)若
,请你写出满足要求的一个函数
及一个
的值并说明理由;
(3)设
令
,当
时,试判断函数
是否存在零点并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb290d86cdfb491b72bf037877978463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137e0138a0bae140fc6d62ce4081c2e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ee19b391bd1284e0cf293b6fe21c97.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a21cb685f65db3732a4358b0460827a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55254590c6519aeed85fbb0b27b64664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ad2da78a3826b9faff6e080d8a6f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20fa0801094cbc8a44b2754722bb8e02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfc78b4b285fcec8cbde06c7cc95a2c.png)
(1)当
时,求函数
的值域.
(2)求方程
在区间
上的解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cfc78b4b285fcec8cbde06c7cc95a2c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b63a87545fb8a1913ad16e376d42bd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6cd94a90ef07068dbdae136d8f2452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/955fade76485dacdee5d82108d9c58c3.png)
您最近一年使用:0次
解题方法
3 . 在
中,内角
所对的边分别为
,函数
,将
的图像向左平移
个单位得到函数
的图像,且
,
.
(1)求
;
(2)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0ae8e92dd3119d41f2c830ea526516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ace74bfb716753490ebe0e740ff5baa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213313546f92fc755e0cc771d2a8809e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d10ed800524be654ae7c9b8dd261aa14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd5b9bbd3d22bd2cef53dd4b9691257.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bb69f36ef0a0cc7797acbf60f528633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3dfe923ac59716638172735a843d5a.png)
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