解题方法
1 . 已知角
是第二象限角,其终边与以坐标原点为圆心的单位圆交于点
.
(1)求
,
,
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339b6663c2e57f5d12c8b46aad3257c3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa7003604c75d1f10801cd4bba8c47a.png)
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2023-02-19更新
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4卷引用:河北省保定市高碑店市崇德实验中学2023-2024学年高一下学期3月月考数学试题
河北省保定市高碑店市崇德实验中学2023-2024学年高一下学期3月月考数学试题江苏省常州市教育学会2022-2023学年高一上学期期末学业水平监测数学试题(已下线)第五章 三角函数(32类知识归纳+38类题型突破)(2) - 速记·巧练(人教A版2019必修第一册)江苏省2023-2024学年高一上学期期末全真模拟数学试题05
名校
解题方法
2 . 如图,在平面直角坐标系
中,角
的顶点与原点重合,始边与
轴的非负半轴重合,终边与单位圆交于点
,
.
![](https://img.xkw.com/dksih/QBM/2022/1/16/2895557677785088/2895673951182848/STEM/cb5a6f11607043438d973f413a4c6bd8.png?resizew=214)
(1)求
的值;
(2)将射线
绕坐标原点
按逆时针方向旋转
后与单位圆交于点
,求
的值;
(3)若点
与
关于
轴对称,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](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/84bd36d19352628cb54c214436ee3322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e70e388af6a9fb1cb4ca416c608d5d.png)
![](https://img.xkw.com/dksih/QBM/2022/1/16/2895557677785088/2895673951182848/STEM/cb5a6f11607043438d973f413a4c6bd8.png?resizew=214)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
(2)将射线
![](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/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc6f627b98fb90247708d94473b8ad3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63711c480473cbc27a06cdb82ddd000.png)
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3卷引用:河北省文安县第一中学2022-2023学年高一(清北班)上学期10月月考数学试题
名校
解题方法
3 . 已知角
的终边与单位圆交于点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448cf75b6fce692802a291c58a520e6d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2021-12-21更新
|
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3卷引用:河北省百所学校2021-2022学年高一上学期12月联考数学试题