从条件①
;②
中任选一个,补充在下面问题中,并加以解答.在
中:内角
的对边分别为
,______.
(1)求角
的大小;
(2)设
为边
的中点,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea1330b1f0ab90aeb4ffb5a58a27651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b865a88418aa466f9ae6d8bafedea5e9.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/76f0649064a085fb74c997fb507a9b6d.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff640580ff030448e421a31170a1d78e.png)
22-23高一下·安徽六安·期末 查看更多[4]
安徽省六安第二中学2022-2023学年高一下学期期末考试数学试题安徽“小高考”2024届模拟考试数学试题(已下线)阶段性检测4.2(中)(范围:高考全部内容)黑龙江省哈尔滨市第一中学校2023-2024学年高三上学期期中数学试题
更新时间:2023-09-09 12:10:40
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【推荐1】已知
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(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f79159294ac7ac0d85887ab209a197cf.png)
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【推荐2】在
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57213b2fa34b6d59ec1c09c21538f2d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐3】在
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的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f558ee22eee2dc404d5feee7873605a.png)
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【推荐1】在△ABC中,内角A,B,C的对边分别为a,b,c,已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/067267997c14e74105b5931c04cbeefb.png)
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【推荐2】
的内角
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【推荐3】在
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解答题-问答题
|
适中
(0.65)
名校
解题方法
【推荐1】锐角
中,内角
的对边分别为
,已知
.
(1)求
;
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,求
的面积
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9b6c0288e9a736cdc5b7e747880457.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654fc4b90e0e3e4753ddfae8b1ef9217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】已知
,
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4244dd3d11b8c8131ffecd896c12a27c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bbe4fd72e48f10e4600e803d4ff61a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31b7ec7a3d9d23cc283ac60d148531b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0fe4d834e8eaca89ceaf9c64cdabd9.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c250094127e2b3c878d68213b60407.png)
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适中
(0.65)
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【推荐3】设
与
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,且
,
(1)求
;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eeaa01b13003cb0ffce2fc19fd7aadd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e16eb319ee454088f5b527cf6c4d5.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
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