名校
解题方法
1 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed3e83b8ff47689076d5cb563685192.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed3e83b8ff47689076d5cb563685192.png)
您最近一年使用:0次
2020-07-01更新
|
1336次组卷
|
5卷引用:福建省福州第一中学2020届高三6月高考模拟考试数学(理)试题
名校
2 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882299da46c66c1fa223ad2367c98834.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882299da46c66c1fa223ad2367c98834.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-08-23更新
|
1104次组卷
|
7卷引用:【市级联考】福建省宁德市2019届高三毕业班第二次(5月)质量检查考试数学文试题
名校
3 . 已知平面向量
,
,
,其中
.
(Ⅰ)求函数
的单调增区间;
(Ⅱ)设
的内角
,
,
的对边长分别为
,
,
,若
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c60045095efd881400bef3e8c36b92a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f182af8bfe5e92b57548fb3e7081f419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638929b037d0f63a486aec2c645ccee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778662c16848db470c6537705b8a839c.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/624be3b69dc36ec0b4a00cb28e8c5d4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd5b9bbd3d22bd2cef53dd4b9691257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-12-27更新
|
539次组卷
|
2卷引用:【校级联考】福建省“永安一中、德化一中、漳平一中”2019届高三上学期12月三校联考数学(文)试题
4 . 平面凸四边形
,
,
,
,
,则此四边形的最大面积为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673ef2d48215ca84a48377f17d6df00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
您最近一年使用:0次
2012·福建宁德·二模
5 . 在
中,角
所对的边分别为
.设向量
,
,
(I)若
,求角C;
(Ⅱ)若
,
,
,求边
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5cda91680c24fb9ab3fb7ae84c87e6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d0c0428882ffa47ef11813472e2e51d.png)
(I)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de38117a88c0264b3df1473d0daad82.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7cb5138a03b19266f82223899a614f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba7f167e6b7932179cd855ef89effc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d6f212da7915817470bfe8728a8055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次