名校
解题方法
1 .
分别为
内角
的对边.已知
.
(1)求
;
(2)若
为钝角,且
,
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.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/a495a7b1e61065ee7ae0850d2bfafd0f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f590304526a01d93473193287ed4b00f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526d1c1f892971b9398ba764356dec3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-11-16更新
|
610次组卷
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2卷引用:甘肃省兰州市兰州一中2023年普通高中合格性考试数学模拟试题
名校
解题方法
2 . 已知
,并且
是第二象限角.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bc052a11cf1a01445992672dde2836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/405922e3415cf983648f0958b7fb85fe.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb317738e8866909a6fa97efd1577430.png)
您最近一年使用:0次
2023-04-21更新
|
800次组卷
|
7卷引用:甘肃省酒泉市实验中学2023-2024学年高二上学期学业水平合格性考试数学模拟试题(三)