已知角
终边有一点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7aaf68ffd6306ffe074f4683760b18.png)
.
(1)求
的值.
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7aaf68ffd6306ffe074f4683760b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5bb89c3ad435f1ef59307b174105ed.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937a12364f85ba467fee63f1b48ab5ff.png)
更新时间:2021-08-23 14:12:40
|
【知识点】 三角函数的化简、求值——同角三角函数基本关系解读
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解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】已知
,求下列各值.
(1)
.
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4211525bbe47519d87b700e187480f57.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a6752300561c0fba7f5e593b94abe45.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2c5eee9f152f88342821f46127c55e.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐3】已知
,
.
(1)求
;
(2)若
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dcbe8b4bcd32e5a64ebfd873f8cbb2b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/617e59c1afb7dc761f5b373bc820ecff.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2111e8dff70b652162031ef52b8a30ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f07029c97c324d32f258f18a96654a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
您最近一年使用:0次