名校
解题方法
1 . 已知角
的顶点在坐标原点,始边与
轴的非负半轴重合,终边经过点
.
(1)求
,
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1b4315630139326aff4ffc04c765d10.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6673ab2ecca91ffe8d020dd2bcbff365.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b0907b7afc5a4488e629a41eb79d4cf.png)
您最近一年使用:0次
名校
2 . 已知角
的顶点为坐标原点,始边与x轴的非负半轴重合,终边上有两点
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1de2c0218509a1f3ededd231f68894b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a2cb1413110a5b3ab7ce84965d31572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e80a2647e9df8964464937ca6fb45b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4b045a574fd9256859a7ad0659963f.png)
A.![]() | B.![]() | C.![]() | D.1 |
您最近一年使用:0次
2024-04-22更新
|
708次组卷
|
4卷引用:福建省福州延安中学2024届高三下学期第一次模拟数学试题
福建省福州延安中学2024届高三下学期第一次模拟数学试题重庆市第八中学2024届高三下学期高考强化训练一数学试题(已下线)数学(江苏专用03)(已下线)4.3 二倍角的三角函数公式-同步精品课堂(北师大版2019必修第二册)
名校
解题方法
3 . 在
的内角
的对边分别为
,已知
,则
( )
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a129a157479f343aa9b1e65051913795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 已知角
的顶点在坐标原点,始边与
轴非负半轴重合,
为其终边上一点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c086d71a3a5a3bbcd82df377bbd4ba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.4 | C.![]() | D.1 |
您最近一年使用:0次
2024-04-16更新
|
1198次组卷
|
4卷引用: 福建省厦门市2024届高中毕业班第三次质量检测数学试题
名校
解题方法
5 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1044dcf4fba551e1b7fbfeb895ea08c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84f01e97a37ef9d884e6414ed97d8e6.png)
A.![]() | B.1 | C.![]() | D.![]() |
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2024-03-26更新
|
362次组卷
|
3卷引用:福建省宁德市博雅培文学校2023-2024学年高二下学期第一次月考数学试题
6 . 已知a,b,c分别为
三个内角A,B,C的对边,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8394b190bd00d0600ebabfefe36219c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5f1e5d29de6e4d72bfed62d9c14dde5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-23更新
|
2586次组卷
|
4卷引用:福建省南平市高级中学2023-2024学年高一下学期期中考试数学试题
名校
解题方法
7 . 在
中,
边上的高为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b939bf0591883ab80d9e58a03718c79.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c9942f4bd614cd1a0f17567a78bd2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a93e2a81536c09565931293b515b413.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b939bf0591883ab80d9e58a03718c79.png)
您最近一年使用:0次
2024-03-22更新
|
438次组卷
|
2卷引用:福建省福州屏东中学2023-2024学年高一下学期期中考试数学试卷
名校
解题方法
8 . 在平面直角坐标系
中,
,
,射线
逆时针旋转最小角
,使得
与
重合,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9c730266ecf448c14608e24d37b986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baca988e757625c577e02752422a72d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85527d190d4e1d6bac4145d1c716e65e.png)
A.3 | B.2 | C.4 | D.5 |
您最近一年使用:0次
2024-03-21更新
|
600次组卷
|
3卷引用:福建省漳州市部分学校2024届高三下学期普通高考模拟测试数学试题
名校
解题方法
9 . 对任意
且
,函数
的图象都过定点
,且点
在角
的终边上,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86c5092b0c259a56a2ff149cc7e943e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b9aceea086efe900c1faebf33ae5ac.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
10 . 在平面直角坐标系中,角
与
的顶点均与直角坐标系的原点重合,始边均与x轴的非负半轴重合.已知角
的终边与单位圆交于点
,若将
绕原点O按逆时针方向旋转
后与角
的终边
重合.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ceef0b6843d1fba0b8ec89359e1e58a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5653b4620620d07b555e4a6c9ff91f6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d4c10b805ef86e2514c4ce39c1b2d55.png)
您最近一年使用:0次