已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18b24fcb546c4833da1b2fba15cd3e0.png)
(1)化简
;
(2)若
是第一象限角,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18b24fcb546c4833da1b2fba15cd3e0.png)
(1)化简
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c8bf09662bf790c0c4b4e1673a8f6ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
更新时间:2023-04-07 11:12:45
|
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐1】如图,在平面直角坐标系
中,角
的始边与
轴的非负半轴重合,终边在第二象限且与单位圆
相交于点
,过点
作
轴的垂线,垂足为点
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/5a7ed208-7fd4-4e91-85f3-aab3fe67ff12.png?resizew=167)
(1)求
的值;
(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/81dea63b8ce3e51adf66cf7b9982a248.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d1dee79821a92557b3aed2f62180e2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/5a7ed208-7fd4-4e91-85f3-aab3fe67ff12.png?resizew=167)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb1f6876fdb7b81706fbf160c2469c0.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】已知角
的终边经过点
,
(1)求
的值;
(2)写出角
的集合
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73d26e5a4e3472fd6b1dbc1ea628a3fb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe935498ac9a7d4f5390f5fe88c600a4.png)
(2)写出角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
【推荐1】已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f235d6fae415aa5d63a9541e1bd4ee6.png)
(1)求tanα的值
(2)若
,且
,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb975c80fa3b249a8ba580f4efdc4f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f235d6fae415aa5d63a9541e1bd4ee6.png)
(1)求tanα的值
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/956f20028cbd294f7f588568277392a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c318bd59b1bca3ac192b46434a0e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次