1 . 已知点
为角
终边上一点.
(1)求
的值;
(2)求
的值;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b0a02af3c1cfa58827bd92619e04c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0b141d7220b90ac6004ba270f7ab2f4.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7333a5b564bcb7c0b78f1949d1e305c.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1eee5fac428cf024c0020295689f41b.png)
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23-24高一下·全国·期中
2 . 若角
的终边上一点的坐标为
,将角
的终边按逆时针旋转
得到角
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b63e88d9ce4afb1766093727c466c577.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290092e2e5ec15af1f6f294fdd208603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b63e88d9ce4afb1766093727c466c577.png)
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解题方法
3 . 已知角
的顶点在坐标原点
,始边与
轴的非负半轴重合.若角
的终边绕着原点按顺时针方向旋转
后经过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
A.![]() | B.![]() | C.![]() | D.3 |
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4 . 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 |
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2024-04-22更新
|
713次组卷
|
4卷引用: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
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)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
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解题方法
5 . 已知角
的终边经过点
,且
.
(1)求
和
的值;
(2)若
求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f9fb6ccce2f9c3470e943ea13398a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612fd36aeb83099c4644c076db691612.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0f04c7c99a24980dc13b64b2523bf15.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212a61f382cd27ee298f61b494a7f7d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
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解题方法
6 . 已知扇形
的半径为13,以
为原点建立如图所示的平面直角坐标系,
,弧
的中点为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533fa1a050d9028ba580f488acf5204c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd34637ea6109e37753f9fbf7102e31.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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解题方法
7 . 已知点
是角
终边上一点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717d6955a3a453d2e52e2c1da9bcfecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d7258de3ea69c206cd1425a8caf1b6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-19更新
|
876次组卷
|
2卷引用:2024届贵州省贵阳市高三下学期适应性考试数学试题
解题方法
8 . 始边与
轴的正半轴重合的角
的终边过点
,则
=_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4d63efe3b074b8644890d2c4902f26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a12182d69090968701ca7c3c410bdceb.png)
您最近一年使用:0次
2024-04-19更新
|
560次组卷
|
3卷引用:上海市闵行区2024届高三下学期学业质量调研(二模)数学试卷
上海市闵行区2024届高三下学期学业质量调研(二模)数学试卷江苏省?邮市第?中学2023-2024学年高一下学期4月阶段测试数学试卷(已下线)专题07 一轮复习三角函数(1)--高二期末考点大串讲(人教A版2019)
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9 . 下列说法正确的是( )
A.长度等于半径的弦所对的圆心角为1弧度 |
B.若![]() ![]() ![]() |
C.若角![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() |
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解题方法
10 . 已知角
的顶点为原点,始边为
轴的非负半轴,若其终边经过点
,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/6f40d5459e1385ab7d829ea96ca0b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70716855684ac3f626c5e60eb5d75cab.png)
A.![]() | B.![]() | C.0 | D.1 |
您最近一年使用:0次