1 . 已知矩形
的边
,点
为边
上一动点,则当
最大时,线段
的长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad01a4c32fa6c84c4b86721c3c2717b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6119c1ab7e956936b5d6939499ce5594.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
A.![]() ![]() | B.![]() ![]() | C.![]() | D.![]() |
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名校
2 . 将函数
的图象向左平移
个单位,再将所有点的横坐标伸长到原来的
倍,得到函数
的图象,则函数
的图象与直线
轴围成的图形面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0da1ab60663e2fc1d25d9edcd8956b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b0e65fd294d3bb8bbbfe502823bce4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc6e69ad1a27916fb5c3d5901ded134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc6e69ad1a27916fb5c3d5901ded134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30d188cf1225fff70d476c659cf3a714.png)
A.![]() | B.![]() | C.![]() | D.以上都不对 |
您最近一年使用:0次
2016-12-04更新
|
375次组卷
|
2卷引用:2017届江西新余一中高三上学期开学考试数学(理)试卷
3 . 已知
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439bff7f7cfd67925caf1426e907357f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6740cb41bffeb6d6a8eea82bfc881060.png)
您最近一年使用:0次
13-14高三上·辽宁抚顺·期中
解题方法
4 . 已知函数
的最小正周期是
,若其图像向右平移
个单位后得到的函数为奇函数,则函数
的图像
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba7c0f9b7aaa70c45a26a66f3bc76bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
A.关于点![]() |
B.关于直线![]() |
C.关于点![]() |
D.关于直线![]() |
您最近一年使用:0次
2016-12-04更新
|
280次组卷
|
4卷引用:2017届江西省新余一中、宜春一中高三7月联考文科数学试卷
2017届江西省新余一中、宜春一中高三7月联考文科数学试卷(已下线)2014届辽宁省抚顺市六校联合体高三上学期期中考试理科数学试卷2015届辽宁省朝阳市三校协作体高三下学期开学联考文科数学试卷2015届山东省实验中学高三第一次模拟文科数学试卷
5 . 在
中,
、
、
分别为内角
、
、
的对边,且满足
.
(Ⅰ)求角
的大小;
(Ⅱ)若
,求
的外接圆的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.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/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/0f258831e2c1ee7fcee21e47581cf72d.png)
(Ⅰ)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02b70455dacbfa8be86fcf0d30eb4624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
您最近一年使用:0次
6 . 已知向量
与
共线,设函数
.
(1)求函数
的周期及最大值;
(2)已知△ABC中的三个内角A、B、C所对的边分别为
,若锐角
满足
,且
,
,求△ABC的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ecde36f4d703ae44faf5884916c2bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a2316ded025e726ca2139d5b5f221f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知△ABC中的三个内角A、B、C所对的边分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb0a2c0aaa39e59aaab67373872f287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f34365e5040ce6944115c8da61bf110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11f594b16174b616c42abd2f78a2787.png)
您最近一年使用:0次
名校
7 . 已知
,则
=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0fb765e7958655dbb4a132ddbf8364.png)
您最近一年使用:0次
2016-12-04更新
|
331次组卷
|
3卷引用:2016届江西省新余市四中高三上学期第三次周练理科数学试卷
8 . 已知
则![](https://img.xkw.com/dksih/QBM/2016/1/4/1572414134927360/1572414140497920/STEM/8329abdb835c4a0cb9a04edff1633a18.png?resizew=84)
_______________ .
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572414134927360/1572414140497920/STEM/f171d898beec405a8673818efdf66a1e.png?resizew=255)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572414134927360/1572414140497920/STEM/8329abdb835c4a0cb9a04edff1633a18.png?resizew=84)
您最近一年使用:0次
解题方法
9 . 已知
,且函数
的最小值为
,若函数
,则不等式
的解集为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36b7edbd8378708945cce0e9be48668.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a45062d6469604e71aaa54700524bd80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace4ee514b3a0bed571ef42aaf5246cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a04b2221199305aa7009fec3aa79799.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 函数
的图象如图所示,为了得到
的图象,可将
的图象
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572414134927360/1572414140309504/STEM/9d56bd24cbf849b8a25d6f808c317ce7.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572414134927360/1572414140309504/STEM/770b950575ed459e9f192f3bd720223d.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572414134927360/1572414140309504/STEM/da1d1c823b15410db3339880b65b1e27.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572414134927360/1572414140309504/STEM/a8c91a0b83eb425ab2597ba11c0f91cf.png)
![](https://img.xkw.com/dksih/QBM/2016/1/4/1572414134927360/1572414140309504/STEM/9d56bd24cbf849b8a25d6f808c317ce7.png)
A.向右平移![]() | B.向右平移![]() |
C.向左平移![]() | D.向左平移![]() |
您最近一年使用:0次