名校
解题方法
1 . 在
中,角A,B,C的对边分别为a,b,c,且满足
.
(1)求角A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/8603ddd54e7f2abdf9192de52a4b8a17.png)
(1)求角A的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8120119749d4bc28067e73fca7d46cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e35e42550fcc316bd20d3c8c8d89644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-06-02更新
|
531次组卷
|
3卷引用:陕西省西安市铁一中学2022-2023学年高二下学期期末理科数学试题
名校
解题方法
2 . △ABC的内角A,B,C的对边分别为a,b,c,已知
.
(1)求
;
(2)设
,当
的值最大时,求△ABC的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d50f0976971b6a25234139fdf3380a4.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5974a6a588f0e46c4cb39e2fc09c3793.png)
您最近一年使用:0次
2023-01-16更新
|
2596次组卷
|
9卷引用:陕西省西安市远东第一中学2022-2023学年高二上学期期末理科数学试题
3 . (1)已知角
的终边过点
,且
,求
的值;
(2)已知
,
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb6a61ad1ff2a183d8ce3a215b908df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19aec1e0a549299a50e0140a362197fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7b915277169254e670ea51b693b9fc.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6b1670b2b446ace5bc12d7385b8e78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb9e3b2b77bc9b54f3ae0b332e705c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6659ee24daa8fd4283e1077def819937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
2022-06-17更新
|
621次组卷
|
3卷引用:陕西省西安市雁塔区第二中学、渭北中学2021-2022学年高二下学期期末联考文科数学试题
名校
解题方法
4 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d684f96bb64db1900e057817296baa5d.png)
(1)求函数
的单调递减区间;
(2)在
中,角
,
,
所对的边分别为
,
,
,且满足
,
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d684f96bb64db1900e057817296baa5d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)在
![](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/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd8c2fb4b551f3cdc2a9f456102c6f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
5 . 已知函数
,下列结论中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bea3f75eaaa5691ee230692844f4f50.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() |
您最近一年使用:0次
2022-03-14更新
|
543次组卷
|
3卷引用:陕西省西安市雁塔区第二中学、渭北中学2021-2022学年高二下学期期末联考文科数学试题
陕西省西安市雁塔区第二中学、渭北中学2021-2022学年高二下学期期末联考文科数学试题陕西省西安中学2022届高三下学期二模文科数学试题(已下线)第03练 三角恒等变换-2022年【暑假分层作业】高一数学(苏教版2019必修第二册)