1 . 若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab03b7abf2969c0fa26c93335b110d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
A.1 | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
2024-06-17更新
|
1358次组卷
|
4卷引用:河南省信阳市名校2024届高三下学期全真模拟考试数学试题
名校
解题方法
2 . 在单位圆中,锐角
的终边与单位圆相交于点
,连接圆心
和
得到射线
,将射线
绕点
按逆时针方向旋转
后与单位圆相交于点
,其中
.
(1)求
的值;
(2)记点
的横坐标为
,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9950ec9a003cebd25d5c0eb71828635f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38e713ce8aca21226192a7b79fa75126.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba498322c0d131eb117e2e6d624effa.png)
(2)记点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e1d3f78a802596b825166767ceee40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b58bbdd200f3a0ad905cf33762a542e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93a70ce0eac1050b9c6797f1b158d735.png)
您最近一年使用:0次
2024-04-13更新
|
457次组卷
|
4卷引用:河南省驻马店市新蔡县第一高级中学2023-2024学年高一下学期5月月考数学试题
名校
解题方法
3 . 解答下列问题:
(1)计算
的值;
(2)已知角
的顶点在坐标原点,始边与
轴正半轴重合,终边在直线
上,求
的值.
(1)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a903d6bdf8ed3d97dfa1dc908f7f356e.png)
(2)已知角
![](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/a0f7fbfa2214ca72495a993b2fed8b61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/840f803096f503a698cd65873150a3b8.png)
您最近一年使用:0次
解题方法
4 . 下列说法正确的是( )
A.若![]() ![]() ![]() ![]() |
B.![]() |
C.若![]() ![]() |
D.若角![]() ![]() ![]() ![]() |
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解题方法
5 . 如图所示,以
轴非负半轴为始边作角
,它的终边与单位圆
相交于点
,已知点
坐标为
.
,
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfee51914e8fd5b20bbff3c4929a617f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/86b935db4f9a7210dd9a49a73b23a302.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a06816978b1a4a78e8b647428aaa5d8.png)
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解题方法
6 . 如图所示,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4936046c15be082c73336d7e19c94.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-27更新
|
470次组卷
|
2卷引用:河南省濮阳市2024届高三下学期第一次模拟考试数学试题
名校
解题方法
7 . 已知角
的顶点为坐标原点,始边与
轴的非负半轴重合,把它的终边绕原点逆时针旋转角
后经过点
,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/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d3e2005d0096620b478c1605a2c26b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5acb85cce3c0e8690fb31a0fd8b53a5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-12更新
|
945次组卷
|
4卷引用:河南省信阳市信阳高级中学2024届高三高考模拟预测(十三)数学试题
河南省信阳市信阳高级中学2024届高三高考模拟预测(十三)数学试题福建省莆田市2024届高三毕业班第二次教学质量检测数学试卷(已下线)第2套 全真模拟篇复盘卷 【模块三】(已下线)专题2 关键能力与方法问题(单选题4-7)
解题方法
8 . 已知角
的终边经过点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd6b41a501ddcc14454838c4e9a55430.png)
(1)求
,
,
的值;
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd6b41a501ddcc14454838c4e9a55430.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a160636c5126bcdc6f3cc97cf406f6c.png)
您最近一年使用:0次
9 . 如图,在平面直角坐标系中,锐角
的顶点与原点重合,始边与x轴的正半轴重合,终边和单位圆交于A点,将
绕点O按逆时针方向旋转角
后,终边在第二象限和单位圆交于B点.点A的横坐标为
,点B的横坐标为
.
(1)求
的值;
(2)求
的值;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac97e6740365c85ad857aff85cefbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b668139b7e026c6e4c4e9ec4fa82d2ed.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/c5df7cfc-ad84-4799-8866-ad2a8c33ae71.png?resizew=150)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494b4ef597d4f953c0a5cbddd51c0167.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5daf33418b25270b02d8c16b20ffca1e.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f35152720e43c6403d43bef47c0377d.png)
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名校
解题方法
10 . 已知角
的终边经过点
,
为第一象限角,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb990ec578336536fada32bd177ac7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7383500859bbf83a8d0241104fb9538b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0b4f4cd0b9c4cfed756bc8d58c9caf1.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5287d3d31c246ee54935791a945288c8.png)
您最近一年使用:0次
2024-02-05更新
|
416次组卷
|
2卷引用:河南省商丘市2023-2024学年高一上学期期末考试数学试题(B版)