解题方法
1 . 在
中,角A,B,C所对的边分别为a,b,c,且
.
(1)求角B;
(2)若
,
的面积为
,求c的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e9d2b0e99cf908efdc47d7a841616a.png)
(1)求角B;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
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2023-08-13更新
|
1058次组卷
|
3卷引用:江苏省宿迁市沭阳县某校2023-2024学年高三上学期10月阶段性测试数学试题
解题方法
2 . 已知
且
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79af6abf95818a33519aee9e78aab8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c0f28d2128e491809c2fc454c1bf0a0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
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3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2107d4201331cad7d939eb35090869.png)
(1)求函数
的最小正周期;
(2)当
时,求函数
的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2107d4201331cad7d939eb35090869.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2023-08-08更新
|
828次组卷
|
4卷引用:江苏省连云港市海州高级中学开发区校区2024届高三上学期10月阶段测试数学试题
江苏省连云港市海州高级中学开发区校区2024届高三上学期10月阶段测试数学试题湖北省仙桃市田家炳实验高级中学2022-2023学年高一下学期期中数学试题黑龙江省鹤岗市工农区鹤岗市第一中学2023-2024学年高三上学期开学数学试题(已下线)专题5-5 三角函数综合大题归类(1) - 【巅峰课堂】题型归纳与培优练
解题方法
4 . 如图所示,已知OPQ是半径为2,圆心角为
的扇形,C是扇形弧上的动点,ABCD是扇形的内接矩形,记
,求当角
取何值时,矩形ABCD的面积最大?并求出这个最大面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2e157b248dce91edb76974bd5bb3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/8/7f734562-4dac-4269-b6e1-8cd5c6c37117.png?resizew=158)
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5 . 已知函数
.
(1)求
的单调递增区间;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed9044a6ac240c3c72b37cc34b0222.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a645253ce0b8c91d9263f2f77c75f08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4a1421d180264444172a131ae81934.png)
您最近一年使用:0次
名校
6 . 已知
,
,其中
,
均为锐角.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf24ce696b370121c4fbc928e3694943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecff5560cd235f6368ea3eaec239f0fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
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2023-07-11更新
|
347次组卷
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2卷引用:江苏省镇江市丹阳市2022-2023学年高一下学期5月质量检测数学试题
名校
解题方法
7 . 已知在
中,角
,
,
所对的边分别是
,
,
,满足条件:______.在 ①
;②
;③
.这三个条件中任选 个,补充在上面的问题中,并解答.注:如果选择多个条件分别作答,按第一个解答计分.问题:
(1)求角A的大小;
(2)求
的取值范围.
![](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/556868ba295d38503e06213059f1b862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e843a164cf03f83e47c1d5695ba24e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e899713f0607b34cc6cbc3e2ee2624b.png)
(1)求角A的大小;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380ab8980769e8971e08e281001fec08.png)
您最近一年使用:0次
2023-07-08更新
|
244次组卷
|
5卷引用:模块三 专题3 高考新题型专练(劣构题专练)(苏教版)
(已下线)模块三 专题3 高考新题型专练(劣构题专练)(苏教版)福建省福州市八县(市)一中2022-2023学年高一下学期期末联考数学试题新疆维吾尔自治区喀什第二中学2023-2024学年高二上学期开学测试数学试题(已下线)模块四 专题1 高考新题型专练(劣构题专练)(人教A)(已下线)模块三 专题3 高考新题型专练(劣构题专练)(北师大2019版)
解题方法
8 . 在斜三角形
中,角
,
,
的对边分别为
,
,
,已知
.
(1)求
的值;
(2)若
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/55309f7c0d7550f1f72f6cb50e517648.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877c7cdd8022e65620719c7b731e6453.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4580cc037c0c760c728cdbb74a8154c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6da9ea780ba5e54f3be57b4a7bb12b1.png)
您最近一年使用:0次
9 . 已知
,
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf24ce696b370121c4fbc928e3694943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b30ef3b0b5e851dc721fedec7335a9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc05f40eb2357f219d31bd2ea8e785f7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b986672a23ad322d79e9e18c5d3bc0c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e8a74444275f0fd6ed81998a889590c.png)
您最近一年使用:0次
名校
10 . 已知向量
设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e45cf03d2a22f4babf5241ad4d5e6da.png)
(1)求
的单调区间;
(2)若函数
其中
当函数
大于等于
恒成立时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135de138b959c03019b556d0423222c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e45cf03d2a22f4babf5241ad4d5e6da.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4084377879f44524cb5f1ae8a888c8d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366f4d0f1a02d28c4860ef90a67d8776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次