名校
解题方法
1 . 已知
.
①若
是第三象限角,且
,求
的值;
②若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ed9d3940471d41976f90ba1a615a5a.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43059520f06c7c65adf10d7e14b30148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ef1d3ffaaaa34ac89aa037ddcc074f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/794f2c6bd63355105d179d11306a9cae.png)
您最近一年使用:0次
2020-05-31更新
|
746次组卷
|
3卷引用:黑龙江省双鸭山市第一中学2023-2024学年高一上学期12月月考数学试题
名校
2 . 已知
,
,
,
.
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ebb96c73c0abf240bdc3f9d1ecec7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad46fb80dccfc8e7f36830859ed52ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612fd36aeb83099c4644c076db691612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb4234175c2f92792ab2d298d45df37a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b04da7eac640b5b735da7fb5da8cfd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7793bfd801e2592b1e1e3f61a308ce.png)
您最近一年使用:0次