名校
1 . 已知
的三个内角分别为
,
,
,且
.
(1)求
;
(2)已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef8164a2b5460e896f3745b672456b5.png)
,若函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f46a13297035069791fec890b2d7f7b.png)
的定义域为
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351966ade9ac27408bea8bf2d94cb972.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef8164a2b5460e896f3745b672456b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2af7267fa641fe998666f090bac90f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f46a13297035069791fec890b2d7f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3815a557f7993524db4169c3ecfa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de0f6d2b676fb885e43df4db0ed66d9.png)
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2018-07-13更新
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561次组卷
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4卷引用:辽宁省鞍山市第八中学2019-2020学年高一下学期期中考试数学试题