(1)化简:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34c02f196429f13abb7909772b38c3a0.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34c02f196429f13abb7909772b38c3a0.png)
(2)求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1a3438d40561b445aa44ae798aff33.png)
更新时间:2022-01-24 22:36:02
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相似题推荐
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已知
,
,
,求
(1)求
的值;
(2)求
的值;
(3)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef966cdd137b3b10e290201b4d17542e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4232c02cacf8368b943d22252dd943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95616189ea09cba83f9f3cbb4ffde489.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/821f26e42730f29aa02605f759062ab7.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6c0eec67f28f2572d1b3c65d3894b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
您最近一年使用:0次
【推荐2】在平面直角坐标系
中,角
的顶点与坐标原点
重合,始边与
轴的非负半轴重合,终边与单位圆相交于点
,已知点
的纵坐标为
.
(1)求
的值;
(2)
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/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/d83fb9ac8a18e78a4c56da79514b5ccb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e0a4f58c38234918f72773243988cc1.png)
您最近一年使用:0次