1 . 已知
且c>0.
(1)若
时,函数
的最小正周期为π,求
;
(2)当
时,求函数
在
上的严格减区间;
(3)若
时,函数
在
内有且仅有2023个零点,求正实数c的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442a2046e2e59401a2c7e7aba949205c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dcf8900b03ae62d040963ee98158d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afe2a921bd8126cd38e0f40a2d4a9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/354c7340146a27f3df081c0053cc903a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dcf8900b03ae62d040963ee98158d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025ed878b5ab1f6cb06b30a821cd8925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb37ae6ada1e908f4ead466ce03b3a5.png)
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2 . 已知函数
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f830d86c8c625b2cc9e68bd6ef116c23.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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名校
3 . 已知函数
.
(1)求函数
的单调递增区间;
(2)在
中,内角
所对边的长分别是
,若
,求
的面积
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcbf267b6243a8cff953fbbb190d811.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edd51c782333e04862704165622ad68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbf5887ebf0a2fb425dc594bb983585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b662b3991784173f1a7c7c94f3f19dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53501558756cd28b30ce6a75d4c0c5d1.png)
您最近一年使用:0次
2016-12-03更新
|
1374次组卷
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6卷引用:上海市市北中学2018-2019学年高三上学期期中数学试题