名校
解题方法
1 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e86cacc7c6170045ed757879daa1f41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd86e6afca3c4adc5aad3781041dfb6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 已知
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eebebe2a8d97c83b0ce7fe3fbe54680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3744ee15af01a8e7c0f126edb5f68132.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d469f6556c10a448446ef4ef59065bc4.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b8c61df1d841605aef430a9af0f436.png)
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2023-09-29更新
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819次组卷
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7卷引用:贵州省黔西南州兴义市顶效开发区顶兴学校2023-2024学年高三上学期第三次月考数学试题
名校
解题方法
3 . 已知a,b,c分别为△ABC三个内角A,B,C的对边,
,且
.
(1)求A;
(2)若
,求证:△ABC是直角三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/378d6132d464cd709363b092b1931d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d37ee47dec729c00720d177e2171ed83.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8877b8028b64772712db6af58cfa1ccd.png)
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2023-05-06更新
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5卷引用:贵州省贵阳市2023届高三适应性考试(二)数学(理)试题
4 . 已知函数
(
,
,
)的部分图象如图所示,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56db086f4a38e0c7024110e38e97298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c9e46448bc791c441ca02d8f4508eb.png)
A.![]() ![]() |
B.![]() |
C.将曲线![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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2023-10-15更新
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798次组卷
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8卷引用:贵州省黔东南州九校2024届高三上学期11月月考数学试题
名校
解题方法
5 . 已知在
中,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387c35a82675a36541ed8fc6833a20a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bbe3c20a56f99143027e17a581510b9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-11-21更新
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1744次组卷
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2卷引用:云南师范大学附中(贵州版)2023届高三上学期月考(五)数学(理)试题
6 . 已知函数
的部分图象如图所示.
(1)![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/9/fd8f156c-82e5-4790-88e4-1d5d3db4f7f0.png?resizew=158)
求函数
的解析式;
(2)若函数
在区间
上恰有两个零点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00299e2356c68a36c3a4dd50d90ced1.png)
(1)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/9/fd8f156c-82e5-4790-88e4-1d5d3db4f7f0.png?resizew=158)
求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0db6bdbbc21c59b6091cfff5f69c2cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c6c37ce441a8ed77c8e3953e8fe1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
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2023-10-19更新
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785次组卷
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4卷引用:贵州省遵义市2024届高三第一次质量监测统考数学试题
贵州省遵义市2024届高三第一次质量监测统考数学试题甘肃省天水市麦积区天水三中、天水九中、新梦想高考复读学校2023-2024学年高三上学期11月大联考数学试卷(已下线)专题05 三角函数(5大易错点分析+解题模板+举一反三+易错题通关)(已下线)第03讲 5.5三角恒等变换+5.6 函数y=Asin(ωx+φ)(2) -【练透核心考点】
名校
解题方法
7 . 已知
中,内角
,
,
的对边分别为
,
,
,
.
(1)求
;
(2)若
,
,
在
上,且
,求
的长.
![](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/251761294484d87519f224d9909c953f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a06bc94ce909c6621342d51b70a9020e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc89442384b8022b2d47cd596a3177f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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8 .
的内角A,B,C的对边分别为
,
,
.已知
.
(1)求B;
(2)若
,______,求
的面积.在①
,②
的周长为
这两个条件中任选一个,补充在横线上.注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/45fda51de748ce7d901855a7812eabf5.png)
(1)求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/f7a1a34db8c9eba83c661cb62c0256e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b96216a318e97bd0d8294ba969eade4.png)
您最近一年使用:0次
2022-03-04更新
|
1783次组卷
|
6卷引用:贵州省遵义市2022届高三下学期开学考试数学(理)试题
贵州省遵义市2022届高三下学期开学考试数学(理)试题贵州省遵义市2022届高三下学期开学考试数学(文)试题2022届高三数学新高考原创试题(已下线)专题13 解三角形-2022届高考数学一模试题分类汇编(新高考卷)广西桂林、河池、来宾、北海、崇左市2022届高三5月高考联合模拟考试数学(理)试题(已下线)考点09 解三角形-2-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)
9 . 如图,在直三棱柱
中,
,
,
,则异面直线BD与AE所成角的余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/34c7fe48-ece8-46ab-afa0-c4d40110c885.png?resizew=168)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a01abf5ae85221309ecf031f2cd872.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27db558e8db4c957654c8e5cecd2d2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6166b9a5437671bcba31e17c375eb39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/783a833992e0862211a15fec2d3e3dda.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/6/34c7fe48-ece8-46ab-afa0-c4d40110c885.png?resizew=168)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-05-06更新
|
832次组卷
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3卷引用:贵州省黔东南州镇远县文德民族中学校2023届高三下学期4月月考(全国甲卷押题卷二)数学(文)试题
贵州省黔东南州镇远县文德民族中学校2023届高三下学期4月月考(全国甲卷押题卷二)数学(文)试题贵州省黔东南州镇远县文德民族中学校2023届高三下学期4月月考(全国甲卷押题卷二)数学(理)试题(已下线)第05讲 立体几何角度专题期末高频考点题型秒杀
10 . 在锐角中,角
、
、
所对的边分别为
、
、
.
①;②
;③
.
在以上三个条件中选择一个,并作答.
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
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2023-09-10更新
|
770次组卷
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2卷引用:贵州省贵阳市2024届高三上学期8月摸底考试数学试题