名校
1 . 已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d92292629c24d3b79ab0cd5c836492.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c5d762c59e8362350ac2adf9b31c0e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-02-14更新
|
2590次组卷
|
8卷引用:江苏省扬州市2022-2023学年高三下学期期初考试数学试题
解题方法
2 . 已知
.
(1)若
为锐角,求
的值.
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9053d9ded67f6c317ca08115a6ddd937.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a975174b697129d6cc7bdaeaa9d5de71.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7836b9cf824dffc972b9eee892cdd1b1.png)
您最近一年使用:0次
名校
3 . 记
的内角A,B,C的对边分别为a,b,c,已知
,
.
(1)求A;
(2)若
,点D在边BC上,
,求AD.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707a0e73751de898ea7fed690400d37c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413f9851aad373d782ae62b308f1de85.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383839a3cbbb8a97941b6a40d6d340ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a8b131c1d7d61da9ddac51dd3ca4ca3.png)
您最近一年使用:0次
2023-02-09更新
|
1963次组卷
|
3卷引用:江苏省苏州市2022-2023学年高三上学期期末学业质量阳光指标调研数学试题
4 . 已知
、
是不同的两个锐角,则下列各式中一定不成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
5 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e3da6658f0630339be870036ea0b7e.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64cbafae49b97fbda270ba67fcebc491.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26e3da6658f0630339be870036ea0b7e.png)
您最近一年使用:0次
解题方法
6 .
中,内角
的对边分别为
的外接圆半径为
,已知
.
(1)求
;
(2)已知
的平分线交
于点
,从以下三个条件中选择两个,使
唯一确定,并求
和
的长度.
条件①:
;条件②:
;条件③:
.
![](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/718b5b48053888ab3b234b8cb56a0fc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534d444b8fed030c0b156251045646cb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a81ae53fe745db10478e49777450f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d5c4c1018ef84146168ca349678fda.png)
您最近一年使用:0次
7 . 已知
,且
是第二象限角.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf24ce696b370121c4fbc928e3694943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f021a65c471011ee58a992ec8bf79f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1ac68aa01c4bfbeef78b366075ae3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b986672a23ad322d79e9e18c5d3bc0c.png)
您最近一年使用:0次
8 . 已知函数
且
,则函数
的图象的一条对称轴是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34587b2573fef98dcccb78c73e3a4bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1237d66812df09295a9c0c7c79bf1f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知
,且
,
.
(1)求
;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f8b19cac0777b84bbc9328f11fb57c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be5d2ab18523d7c39e6f164daad439e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd0ec23e454440796739087fde0a373.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bd7c69ca8da57624f618de3918eeeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2894710ad17e08f1b98760e66bf02c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a240f56cefeb8c9669b54b02ca445c4e.png)
您最近一年使用:0次
2023-01-12更新
|
271次组卷
|
2卷引用:青海省西宁市第五中学2022-2023学年高一上学期期末数学试题
名校
解题方法
10 . 已知
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3d15b377e37c9e0fcbfce046148bdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d394016b9fecac73f38cbc4ff18dee2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850a4f80ddad1ce81bfbd99719423e32.png)
您最近一年使用:0次
2023-01-10更新
|
828次组卷
|
8卷引用:天津市复兴中学2022-2023学年高一上学期期末数学试题
天津市复兴中学2022-2023学年高一上学期期末数学试题天津市天骄高级中学2022-2023学年高一上学期期末数学试题天津市红桥区2022-2023学年高一上学期1月期末数学试题(已下线)专题强化训练一 两角和与差三角函数技巧高分必刷题-2022-2023学年高一数学《考点·题型·技巧》精讲与精练高分突破系列(苏教版2019必修第二册)(已下线)第6章 三角(1)(A卷·知识通关练)-【单元测试】2022-2023学年高一数学分层训练AB卷(沪教版2020必修第二册)天津市红桥区2022-2023学年高一上学期期末考试数学试题天津市红桥区瑞景中学2022-2023学年高一上学期期末数学试题天津市第四十二中学2023-2024学年高一上学期12月考练习数学试题