1 . (1)若
,求
的值;
(2)化简求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9db9206cc5204e9c357ced8ccaa65bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b87f4ef298bdeebf59a0d850aff72c.png)
(2)化简求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b60a9cc4362090b513c4d0cd21e618.png)
您最近一年使用:0次
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2 . 化简,求值:
(1)已知
,求
的值;
(2)
.
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc36f1850fb5308496d5a44dcb1bf41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a8f945ca261d50888276d340da4381.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b4fad0658c639cc6c202103ec3e6f2.png)
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3 . 已知△
中,
,
,设
,记
;
(1)求函数
的解析式及定义域;
(2)试写出函数
的单调递增区间,并求方程
的解;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca036d049f5205cf04cb1b9c5cd03f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e13c772461aef1d9d715129636739748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f597657b1072e1d8aa1c754975c2c4c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca276321e93f76827c1bf5f0fe469b0.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)试写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e0f592a829504a9453063919a2544d6.png)
您最近一年使用:0次
2020-01-07更新
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354次组卷
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3卷引用:2017年上海市金山区高考一模数学试题