解题方法
1 . 已知
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2850cdb2c73ff61ea2e5fd14ce9c5771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19949e78fabb7bae94be7f9c05515d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adea5d925304c7c3eceb419dac22419c.png)
您最近一年使用:0次
名校
2 . 已知
是锐角,
,则
的值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da4a2f5f27906c81d8169354952e629a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7759fbbc53ebc9194ea4a204e0fc3e76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-01-16更新
|
720次组卷
|
3卷引用:黑龙江省伊春市第二中学2019-2020学年高一上学期期末数学试题
名校
3 . 已知角
终边上一点
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a0cc78c3e209937bd33da16b04044a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608e4fdec82794fbfcaa34e882bae87c.png)
您最近一年使用:0次
解题方法
4 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389222dc82ad7e7d9640065e9fb8da2f.png)
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408dad9afd0e3d3b6b4bafa64a29accf.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/389222dc82ad7e7d9640065e9fb8da2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9b714ef6dfa0b4da59114bc5a74da1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/408dad9afd0e3d3b6b4bafa64a29accf.png)
您最近一年使用:0次
2017-04-11更新
|
939次组卷
|
5卷引用:黑龙江省伊春市铁力市马永顺中学2022-2023学年高一上学期期末数学试题