名校
1 . 不等式
的解为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ba4911404b9a8dfdef63559283f7f61.png)
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2019-12-07更新
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160次组卷
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3卷引用:上海市宝山区行知实验中学2017-2018学年高一下学期期中数学试题
2 . 在
中,内角
所对的边分别为
,已知
.
(1)解这个三角形;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8546e2490087bd5a96050ccc637ef756.png)
(1)解这个三角形;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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3 . 已知
.
(1)求函数
的单调增区间;
(2)设方程
在
上的两解为
和
,求
的值;
(3)在
中,角
的对边分别为
.若
,
,且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6701e02c0045f484f370875a6e26face.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)设方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb381ac86308c6249bc7e8737cdc668d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5027c72c679bd6407806ca2805cbdd49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59e6dee75c5151241be17548a1d9295e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5438613cda89232a531a69da49dee747.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd5b9bbd3d22bd2cef53dd4b9691257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b22e4c9f482aee8735f3c38bdbe70402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34af8c11f3649b7ac3f3c7c346a5915d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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4 . 设
.
(1)若锐角
满足
,问:
是否为方程
的解?为什么?
(2)求方程
在区间
上的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed8cd3a2a92fd6b95700fd0a9bc5d3e.png)
(1)若锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e956fc04407b02700f649b9f1cbcad3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9e7131919449b3d2ebad852a1d78ff.png)
(2)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9e7131919449b3d2ebad852a1d78ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e84e89ade5594c4665e43a320ca9f21.png)
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