名校
1 . 已知
为第一象限角,若
,则
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c61cfbfd3bf888856b7dc9b2a84c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f031eecd0793ccf4677ee2d47cf1bc.png)
您最近一年使用:0次
名校
2 .
的值是0.5 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fca5bb0e5ad02f2dca2f7dd602a10df.png)
您最近一年使用:0次
名校
3 . 直线
的倾斜角是
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a1d69d7976b9ee5c6c1ebe7756e5a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3b9a20c31e397ae1dc8a44baf7de91.png)
您最近一年使用:0次