1 . 已知函数
,若对任意
都有
,则实数a的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09c68e17be28c9d541cb0af019a049c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0be07495dbc744e1ecabac66f748218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2f7000d9103670cb5b65b0aa8be654f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 将函数
的图象向右平移
个单位长度后,所得的函数图像关于原点对称,则
的最小值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587882ac081850caa4447c44a7dbb845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475d04c9d324c746c9d4b78b80b018d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cada4595e617c68c84c8081c2f70dcb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59498cd2db8b34235659b75992966d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a8790403dee77fa1a7296d4f009b8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b59498cd2db8b34235659b75992966d1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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12-13高二下·四川南充·期中
名校
4 . 函数
的图象的相邻两个对称中心间的距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1e1a96da1f889739ac7e22c2ec507e8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2016-12-05更新
|
912次组卷
|
7卷引用:2017届江西鹰潭一中高三上学期期中数学(理)试卷
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5 . 在
中,
、
、
所对的边分别为
、
、
,已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d75c275ee8382e21606f032c72c3777.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efd3476dc91ff0180fdab52dd0dc3a66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c127a85a4653195b5a51ea9230ceb2c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d75c275ee8382e21606f032c72c3777.png)
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2016-12-05更新
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6 . 已知函数
(其中
为正实数)的图象关于直线
对称,且
,
且
恒成立,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc523612a1605a2ba0bb24aae644c619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d729d4e273ddcbb1a1b7ec3f152c2b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13ba6d93a671ca21730facc7fbf052c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f38a60c94e04db92cebfe6c25a77c9.png)
A.![]() |
B.不等式![]() ![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() |
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3卷引用:2017届江西金溪一中等校高三上期中联考文数试卷
7 . 若
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be393328d35bea5e0ef9fb676e01228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca038f1314e22fbdb24df7024c5c7d5c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2016-12-05更新
|
259次组卷
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2卷引用:2017届江西金溪一中等校高三上期中联考文数试卷
8 . 在△
中,
为线段
上一点(不能与端点重合),
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/706e774dfd32305229cf4e06b36eecc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba56b41fe702d9b6433e4d01e48d69a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfb08f6a798dc293f3d8de281190f65e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
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9 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76399ed0296a8dd38b5dcec57170267.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b217ef5e9f723ccc010d182b2abe1f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76399ed0296a8dd38b5dcec57170267.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 已知
是斜三角形,内角
所对的边的长分别为
.已知
.
(I)求角
;
(II)若
=
,且
求
的面积.
![](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://img.xkw.com/dksih/QBM/2016/11/24/1573177637593088/1573177643655168/STEM/b6c58aa8b3e146afa83f8643cfed3404.png)
(I)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(II)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce0249a3ff99c083fa4421877549db1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92217ba1661fa14b9503e0ac2ec105b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
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2016-12-05更新
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