1 . 已知向量
,函数
.
(1)求函数
的最小正周期及值域;
(2)已知
中,角
、
、
所对的边分别为
、
、
,若
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c03fceaa917bf69308ff8caa48024f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60e1e5e9e05debfbc084860cdbae78ae.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.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/4db183e2963bb4234a68f8294263258f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
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2 . 已知
是第二象限角,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99bfb7ecf17bdd90e1a632ebe4499f23.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca03f5ef20b70dddbb3766f9c3086e94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99bfb7ecf17bdd90e1a632ebe4499f23.png)
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解题方法
3 . 将函数
的图象向左平移
个单位,得到函数
的图象,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68cf294952dfae06a1263c6cadc607bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b69099d2b74ffbb1f365e1468bd8fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f531c9fbf5b99fa85a2c9692ea1d791c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 在
中,
分别是角
的对边,![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559717888/STEM/9d2813c89fce450ba8b821db0137c3d7.png)
.
(1)若
且角
为锐角,求角
的大小;
(2)在(1)的条件下,若![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559717888/STEM/fd7b40931f964084b1d83d445424913b.png)
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edd51c782333e04862704165622ad68.png)
![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559717888/STEM/9d2813c89fce450ba8b821db0137c3d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8b1927a000c3528c421e8f9a33940b.png)
(1)若
![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559717888/STEM/2ca314d2c7354e4980b502363eacfaf1.png)
![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559717888/STEM/d4afc8020fca4b7c9fbb90b4159f89c8.png)
![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559717888/STEM/d4afc8020fca4b7c9fbb90b4159f89c8.png)
(2)在(1)的条件下,若
![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559717888/STEM/fd7b40931f964084b1d83d445424913b.png)
![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559717888/STEM/3411bd76744e42a29cfe99d20457bc30.png)
![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559717888/STEM/c2865fb272a04676b85e37b80179f465.png)
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5 . ![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559619584/STEM/1395afa661df4667ab1c1edee4560458.png?resizew=155)
__________ .
![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165553442816/1573165559619584/STEM/1395afa661df4667ab1c1edee4560458.png?resizew=155)
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6 . 在
中,内角
,
,
的对边分别是
,
,
,若
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/18af922d7bcd7a1bfbd89398d86eda5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2500d28e98b14ea3e6b6fec6c9af016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-05更新
|
1145次组卷
|
4卷引用:2017届江西师大附中高三10月月考数学(文)试卷
解题方法
7 . 已知集合
,则集合B不可能是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87b43c3fdfb10412af2382a9308a0449.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
8 . 在
中,
,
,
是边
上一点.
![](https://img.xkw.com/dksih/QBM/2016/11/15/1573147881881600/1573147887845376/STEM/b64fcc1d7fdc42b291f1f9562d8e7ac2.png?resizew=282)
(1)求
的面积的最大值;
(2)若
,
的面积为2,
为锐角,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c7f0d0987ee427b7efbbf889b9bf16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62eccb33ea66c03222468628f74d8c56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2016/11/15/1573147881881600/1573147887845376/STEM/b64fcc1d7fdc42b291f1f9562d8e7ac2.png?resizew=282)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdb8eca20ce2c918ea4034ea15210c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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9 . 设函数
(
,
为自然对数的底数),若曲线
上存在
使得
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5482fd1eba114a414b4a7e8ee152724b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb6a4781b020b879519321e05c299f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9863bdef554a67d2dcb5ddd6b4192d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
10 . 在
中,
的对边分别是
,
,且
.
(1)求证:
为等腰三角形;
(2)若
的面积为
,且
,求
边上的中线长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.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/89e98ef935fb49140d21e92bd18a43a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f090bf715903c758524fe791f479f2ba.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e609d7f5a3b904e30f43fbbc26033d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee75d1b742854ac7dd04caf3b6f91a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次