解题方法
1 . 求
与
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96cdf3faf9c78a37f589e0fcad970ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a093fac619a86db1ab63a3f63f2825f.png)
您最近一年使用:0次
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解题方法
2 . 在平面直角坐标系
中,以
为始边作角
与
(
),它们的终边与单位圆分别相交于点
,
,已知点
.
(1)求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee22f5ec309dbda262b688a06ff34e9c.png)
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](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/f5481f424e3de353f5b53597bc4575bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cb0907a0db4d93d3c4dfc760f9d0069.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee22f5ec309dbda262b688a06ff34e9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/629916112260306db52e19780fe6d46d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0956137d87028fd38ee8e2746324fc73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
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解题方法
3 . 如图,在平面直角坐标系
中,以
轴正半轴为始边的锐角
的终边与单位圆
交于点
,且点
的纵坐标是
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/4dd89ab0-e477-4903-8d90-d12d40dca233.png?resizew=153)
(1)求
的值:
(2)若以
轴正半轴为始边的钝角
的终边与单位圆
交于点
,且点
的横坐标为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d83fb9ac8a18e78a4c56da79514b5ccb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/23/4dd89ab0-e477-4903-8d90-d12d40dca233.png?resizew=153)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed83bff03f947be061fd5681535e0058.png)
(2)若以
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d141e18938319cc05063d29c111557.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
2020-03-18更新
|
937次组卷
|
4卷引用:2019届江苏省南京师大附中高三下学期5月模拟数学试题
2019届江苏省南京师大附中高三下学期5月模拟数学试题江苏省南京师范大学附属中学江宁分校2019-2020学年高三上学期12月调研考试数学(文)试题(已下线)专题13+简单的三角恒等变换(基础练)-2020-2021学年高一数学十分钟同步课堂专练(人教A版必修4)甘肃省兰州大学附属中学2021-2022学年高三上学期第三次月考理科数学试题
名校
4 . 在平面直角坐标系
中,锐角
的顶点在坐标原点
,始边与
轴非负半轴重合,终边与单位圆交于点
,且点
的纵坐标为
.
(1)求
和
;
(2)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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7294f5ae2a24ff42e84cd9773b2a7287.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02fc27f36003850ea40fb1d9cf18d462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
您最近一年使用:0次
2020-01-31更新
|
401次组卷
|
2卷引用:山东省菏泽市2019-2020学年高一上学期期末联考数学(A)试题