21-22高一·湖南·课后作业
名校
1 . 已知点
,
,O为坐标原点,函数
.
(1)求函数
的解析式及最小正周期;
(2)若A为
的内角,
,
,求
周长的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f11c964b3a008d35fb4b3ac18ed5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bbd3679a60d30c80daeaf0e71453ff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96dd579aed2c1e01de31a06e95f73b79.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若A为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9cb34c9c6b3c82efcbfb244c33b7bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2022-02-22更新
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4卷引用:复习题二3