名校
1 . 已知
.
(1)求
的周期;
(2)若
,其中
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c1c614645d3d32a08c79f34afaff68d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673da83fc252d9c72a40fc54fc0666e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a837149d753a3457daeb1eef3a90f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
您最近一年使用:0次
2023-08-09更新
|
466次组卷
|
4卷引用:广东省云浮市黄岗实验中学2022-2023学年高一下学期5月月考数学试题
名校
2 . 已知:在锐角
中,角
所对的边分别为
,
,
,且
,
;
(1)证明:
;
(2)若
边上的点
满足
,求线段
的长度的最大值.
![](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/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/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/328cea739279f45f70a0e254ddd6983c.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5552651894bd1b81500b216586349dba.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2700a3103aef7c7cdb1ab54bf964639b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
您最近一年使用:0次
名校
3 . 已知
.
(1)求
的最小正周期及单调递减区间;
(2)将函数
的图象向左平移
个单位,再将纵坐标伸长为原来的2倍,得到
的图象,求
在区间
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4297b37c938a06f20079c4e0ac35fb34.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b593315a098b5310825524dd1834af9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9f440d31160de381f61bccdd125fdd.png)
您最近一年使用:0次
2023-08-09更新
|
926次组卷
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7卷引用:广东省汕尾市华大实验学校2023-2024学年高二上学期9月月考数学试题
4 . 已知向量
,设函数
,则下列关于函数
的性质的描述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef9f0e8c799267e126184278b6acf0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1659f0a03b6c37d87a0ff5e112ee3d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
A.图像关于直线![]() | B.图像关于点![]() |
C.最小正周期为![]() | D.在![]() |
您最近一年使用:0次
名校
解题方法
5 . 在锐角
中,内角
、
、
所对的边分别为
、
、
,已知
.
(1)求
的值;
(2)若
,求
的面积.
![](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/d8e73e9012fe4a13dbfdcd9d3333a135.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c55dbbe68975d2a6a5759e28435c388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-08-06更新
|
483次组卷
|
3卷引用:广东省深圳科学高中2022-2023学年高一下学期期中数学试题
名校
解题方法
6 . 在
中,角
所对的边分别为
,已知
.
(1)求角
的大小;
(2)若
,求
的面积.
![](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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9455090ba25be30e8ec5313bc4675fd.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e07ddea9e324e43549b52f399c4a6c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-08-06更新
|
1225次组卷
|
5卷引用:广东省深圳市第二高级中学2024届高三上学期第一次大测数学试题
7 . 条件①:
;条件②:
.在
中,
,再从条件①、条件②这两个条件中选择一个作为已知,求:
(1)a的值:
(2)
和
的面积.
注:如果选择条件①和条件②分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93a3e0f1e74d822e4a133fa0d11f556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3391c01cab8cd79676dfa5b73d2976c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421ff27c2def8b40bf012a9c3d8b9650.png)
(1)a的值:
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
注:如果选择条件①和条件②分别解答,按第一个解答计分.
您最近一年使用:0次
解题方法
8 . 已知向量
,
,
,函数
.
(1)求函数
的最小正周期;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16086eeda93e31da0ca16ebc865167cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962c34534c29aa09d52229d3a4701b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec5e9839a81f2e756753b2dabd77a298.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e693bc6f63c367a16d945949e60ead15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6658495329f65dca28211bc02910d60b.png)
您最近一年使用:0次
名校
解题方法
9 . 已知
三个内角
的对边分别为
,若
,且
.
(1)求
的值;
(2)若
, 求
的周长.
![](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/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a99bb77a5ec8629e26b0329a8a21db2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2013e13affac5bbec7f2ac194d2225.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd302fa2085cf19bd03f4685866a8df.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-07-30更新
|
1860次组卷
|
3卷引用:广东省汕头市潮南区龙岭中英文学校2023-2024学年高二上学期10月月考数学试题
名校
解题方法
10 . 已知函数
,将
图象上的横坐标伸长到原来的
倍(纵坐标不变),得到函数
的图象.
的部分图象如图所示(
、
分别为函数的最高点和最低点),其中
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bd3ab61d22171785ab717ca31c99499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4351ad307f3e6b9485279fcb5f382097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2023-07-23更新
|
240次组卷
|
2卷引用:广东省中山市纪念中学2022-2023学年高一下学期第一次段考数学试题