1 . 已知函数
.
(Ⅰ)求函数
的最小值;
(Ⅱ)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b557a8c90672cabf2a94a02bb7632f6.png)
(Ⅰ)求函数
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853867008/STEM/5d49b8f61b0144db8f46cc59cc45173e.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aafb03f9dece336cce717a8a8f17d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b659414d99b384490e3aa8c38820a52a.png)
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2016-12-04更新
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3卷引用:2015-2016学年辽宁庄河市高级中学高一下期末数学文试卷
2 . 已知
,则
的值为
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853645824/STEM/54fdd654ae3549ffb198d7fc1dad7715.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853645824/STEM/960d86a1e29643b59472d01cd1a11eca.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 函数![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/964de910b45145518d742d1ea685fcb5.png)
(
满足:
(1)
,
(2)在区间
内有最大值无最小值,
(3)在区间
内有最小值无最大值,
(4)经过
.
(1)求
的解析式;
(2)若
,求
值;
(3)不等式
的解集不为空集,求实数
的范围.
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/964de910b45145518d742d1ea685fcb5.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/823f8330448243d28d39f8ff3a549ab9.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/9d532e88359744a0bd4c4f1120f37136.png)
(1)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/05ca6bc98af1406c8126f1fdb3b717f3.png)
(2)在区间
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/2d907ce2daa844e4a867371a02ca458c.png)
(3)在区间
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/ac8fb4f54704449c8b40ff31b06320e7.png)
(4)经过
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/a370fa8c77614b76a604118f84737257.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/964de910b45145518d742d1ea685fcb5.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/d68ad8851f0e42d987238764283b347f.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/9fbfee73daeb4fd78e1d07b394cab998.png)
(3)不等式
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/59ffc6b5e3cd49c59763e53e6ca1beae.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681531904/STEM/76dbaad9f7bf4d848d058b076bb6c797.png)
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4 . 已知函数
.
(1)求
在
上的单调区间;
(2)设
求
的值.
![](https://img.xkw.com/dksih/QBM/2016/10/20/1573084344827904/1573084350767104/STEM/26b48903c0234386b9bfde161a544165.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2016/10/20/1573084344827904/1573084350767104/STEM/a044f7f01b094c828fb10e1142e72c78.png)
![](https://img.xkw.com/dksih/QBM/2016/10/20/1573084344827904/1573084350767104/STEM/e308823f0f2941378be9da2cf52248f1.png)
(2)设
![](https://img.xkw.com/dksih/QBM/2016/10/20/1573084344827904/1573084350767104/STEM/c38dc026eb684469a76eff098ec35918.png)
![](https://img.xkw.com/dksih/QBM/2016/10/20/1573084344827904/1573084350767104/STEM/e5b9e6a0943d442faa1727c7ec83e2f5.png)
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2016-12-04更新
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302次组卷
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2卷引用:2015-2016学年辽宁庄河市高级中学高一下期末数学理试卷
解题方法
5 . 锐角三角形
满足
,则
的取值范围为_________
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681318912/STEM/488d1009e8b94c8491ea9a40fed57482.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681318912/STEM/ab8ee3cd43c944e58ca85cbf799e73fb.png?resizew=75)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681318912/STEM/e7ec85ce74b7484cb2522a5936bff912.png?resizew=76)
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6 . 已知
,(
)那么![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853711360/STEM/a18cb6dd8421477f9ef00250fc640184.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853711360/STEM/54a03eab99d1493ca4fdf4aa9d5a837c.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853711360/STEM/4001a23ecbe441f1bae41209e5c32c57.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999848386560/1572999853711360/STEM/a18cb6dd8421477f9ef00250fc640184.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
|
276次组卷
|
2卷引用:2015-2016学年辽宁庄河市高级中学高一下期末数学理试卷
7 . 已知
,则
的值为
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681122304/STEM/f0097216afe74de6af43ab8818b1298b.png)
![](https://img.xkw.com/dksih/QBM/2016/9/6/1572999675469824/1572999681122304/STEM/1e23e770578f4524b1160ddc004d4714.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 关于函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfc89f463c516f8113504936d7ac2fa.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2016-12-04更新
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382次组卷
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2卷引用:2015-2016学年辽宁庄河市高级中学高一下期末数学理试卷
名校
解题方法
9 . 在
中,角A、
、
的对边分别为
、
、
,则以下结论错误的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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)
A.若![]() ![]() |
B.![]() |
C.若![]() ![]() ![]() ![]() |
D.若![]() ![]() |
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2016-12-04更新
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488次组卷
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4卷引用:2016-2017年辽宁盘锦高级中学高二理10月月考数学试卷
解题方法
10 . 在
中,角
的对边分别为
.满足
.
(1)求角
的大小;
(2)若
的周长为20,面积为
,求
.
![](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/24c6f9267e6abccb36efdb995062e10d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3423891a999ecc554436b6e38a444ad2.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e4123975f257306440158659634c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a475fec8ded321e10a6697319fb975.png)
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