(1)已知
,求
的值.
(2)已知
,
.求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/753532ffc63255c20855ea438b4c534a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0973708d0d63d60734be375c825140e.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35d99c669e51585b00d9347c5945b848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeae4e4940d654f083f1073ba872504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d302fe58b7f7928bfb443bdf008ac4f.png)
更新时间:2023-08-18 06:09:29
|
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解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】已知
,
.
(1)求
的值
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef92d8eafbac67a61f262b256687575d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f55b8836b41be612a52ca9caf97006.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617e59c1afb7dc761f5b373bc820ecff.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
您最近一年使用:0次
解答题
|
较易
(0.85)
解题方法
【推荐2】已知:
且
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c498b0c4f936710b179e445e88cdea0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28b2bbb75d9d7957e1d4e217d158047.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d469f6556c10a448446ef4ef59065bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac44e12637ca9becbbcba1d4d6e1ceb.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐1】已知角
的终边经过点
,求下列各式的值.
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb40db95dddae34e1a85cdcd045917f.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8ff471824da7bf5393c19cde723827.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd1819c8b81538768b624f747d9cbb8.png)
您最近一年使用:0次