已知函数
,
.
(1)
的最小正周期为___________ ;
(2)
的单调递增区间为___________ ;
(3)在ABC中,内角A,B,C所对的边分别为a,b,c,
,
,
,则
的值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6ae59a81a0b86a8ed49a5e4ebfae35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(3)在ABC中,内角A,B,C所对的边分别为a,b,c,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/326312424ada58b564637a76618677d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2022-04-19 14:47:59
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