解题方法
1 . 已知角
的终边经过点
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d12098312e5b61ea50f43c7867f562.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151801b91dfe213a5bf6108f1e5f8f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e304cf018473bb54edb166fcd6502b.png)
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2 . 在平面直角坐标系中,已知角
的顶点与原点重合,始边与
轴的非负半轴重合,它的终边过点
.
(1)求
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/e80ec835bb278cfe86cefe59d7fc3a7d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7b915277169254e670ea51b693b9fc.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a07e226e8e22673de3e5ea202dbcb8e1.png)
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3 . 已知角
以x轴的非负半轴为始边,
为终边上一点.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ae794a72ce600ce708c8a159da96eb3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86c029b19c9122eec40462dd2462869.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f582772c9cede53c1fad861538b19c.png)
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4 . 角
为第二象限角的充要条件是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知角
的顶点在坐标原点,始边与
轴的非负半轴重合,
为角
的终边上一点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fca83c03b38408530a554c755bb0175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e53854fc1b263752029aa1730d2f2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-29更新
|
775次组卷
|
3卷引用:河南省部分学校2023-2024学年高一上学期期末大联考数学试题
河南省部分学校2023-2024学年高一上学期期末大联考数学试题河南省安阳市2023-2024学年高一上学期期末考试数学试题(已下线)专题01 三角函数概念、任意角三角函数及诱导公式-《期末真题分类汇编》(北师大版(2019))
解题方法
6 . 已知角
的终边过点
,求角
的三个三角函数值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663e2a3c6f6988e81c4ffcf1bddd1c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
名校
7 . 已知角
的始边与
轴的非负半轴重合,终边与单位圆的交点
的坐标为
,且
.
(1)求
,
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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd0791043f7a57279bdcc9bea42afa81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59293fd84aa30bd783d0f89e7c52e40.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2042a482e579a5cd47a075cc0ea0986.png)
您最近一年使用:0次
2024-01-29更新
|
446次组卷
|
2卷引用:浙江省杭州第二中学2023-2024学年高一上学期期末数学试题
解题方法
8 . 已知角
的终边上有一点P的坐标是
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129f7d6c3c5ba4fe0ea09921f63c8331.png)
______________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce618b81d2be1083f6457cc6f284a53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129f7d6c3c5ba4fe0ea09921f63c8331.png)
您最近一年使用:0次
9 . 如图,在平面直角坐标系xoy中,锐角
的终边与单位圆交于点
,射线OA绕点O按逆时针方向旋转
后交单位圆于点B,点B的横坐标为
.
的表达式,并求
的值;
(2)若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c764a01ab02ff371ebdd2d09a7295d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e1d3f78a802596b825166767ceee40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e1d3f78a802596b825166767ceee40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5c759c927e56f030adbbcdc9762cab.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f7209bea285aa2feb7ce8c1e556b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52fa5aa93e3d26d82037ee6086969dd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
您最近一年使用:0次
10 . 已知角
的顶点在坐标原点,始边与
轴非负半轴重合,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/d477ba92a3901cdfd499a36022465931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/078e71df78f4009c753e7f87c0aeb22f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次