名校
1 . 在
中,角
的对边分别为
边上的高等于
,则
的面积是__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b9a53e552116848849b76dab92d0ac.png)
__________ .
![](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/da75f00cfe5ed9010f0afdba14372e5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884a81f5d952786877f3515c8c8bc9f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b9a53e552116848849b76dab92d0ac.png)
您最近一年使用:0次
2024-04-12更新
|
893次组卷
|
3卷引用:2024届浙江省丽水、湖州、衢州三地市二模数学试卷
2024届浙江省丽水、湖州、衢州三地市二模数学试卷山东省菏泽第一中学人民路校区2024届高三下学期3月月考数学试题(已下线)第二章 平面向量及其应用章末重点题型复习(2)-同步精品课堂(北师大版2019必修第二册)
名校
解题方法
2 . 将函数
的图象向右平移
个单位后得到函数
的图象,若对满足
的
,有
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcaf2bf2e03dd6d33e03b69c5a318b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f025bb0112c19870e3e5d489ec03fcdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec81fd3853b7e589a7cbc864d317b76a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67e738a2fb40f0e46c8cf30344fa719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-12更新
|
1102次组卷
|
3卷引用:2024届浙江省丽水、湖州、衢州三地市二模数学试卷
解题方法
3 . 在凸四边形
中,记
,四边形
的面积为S.已知
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/415a82fd-af88-4f7f-813a-45fc2d08bfc3.png?resizew=145)
(1)证明:
;
(2)设
,证明:
;
(3)若
,求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbd468d1a338d048553977858d3be4bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57c09208605fe5b1eeaa3ec91cc99367.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/28/415a82fd-af88-4f7f-813a-45fc2d08bfc3.png?resizew=145)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/052a87cd17b9b729a3d4f1ee3f729a51.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575008e0b065f0d535251a041203f99f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f880e1050a42a1f66344789919c80ca.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141a63648a434a1c35da467e1a9b7186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
4 . 设
,已知函数
在区间
恰有6个零点,则ω的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/327042d73a631d78ba64c2c0eb9c3c44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083479b94380e8d659eff92d10a1989d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知锐角
内角
的对边分别为
.若
.
(1)求
;
(2)若
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7af7c5df749c6fa9bbe87faa72c66d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba1e7a657ed134e68efd159b606620f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008359718868f7ffa1ed8497491a5bef.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd5b9bbd3d22bd2cef53dd4b9691257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f2416d1f75a45a314331146550832e.png)
您最近一年使用:0次
解题方法
6 . 已知函数
.
(1)若
,求
的值;
(2)若
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b1f44fdee4134fb55bf73722a67735.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63461019de0e1cc935f4cbad2efe140c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d383133a74f020784da99329bf597736.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdd5308f1be49c12a7a8a29a219c1494.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
您最近一年使用:0次
解题方法
7 . 在平面直角坐标系中,线段
的两端点分别落在
轴,
轴上,
,点
,则
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcf9bfbf771cb6118f8e631724314e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bd8b8ceece9b2e576dff09c6cc670d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f76667e3a76e2c1de0a6b6805e1e496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853d44af78e164569cd514250d1abdb0.png)
您最近一年使用:0次
解题方法
8 . 锐角
中,内角A,B,
所对的边分别为
,
,
,且
,则角A的大小为___________ ;若
,则
面积S的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/72374b83f36c8728cabc1dc0f61aec9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
9 . 在
中,内角A,B,C所对的边长分别是a,b,c,已知
,
.
(1)若
,求c;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e38f550e95b2950f91e8ec1798b94109.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b4bea1dfd1e96d7e97972b299ef157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2021-02-05更新
|
252次组卷
|
2卷引用:浙江省丽水高中发展共同体2020-2021学年高三上学期期末联考数学试题
10 . 函数
最大值是__________ ,单调递增区间是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e7a9b77487a2bc8d7d46c9b8499ceb.png)
您最近一年使用:0次