mysql cos() 函数

 

mysql> select cos(PI()/3);
+--------------------+
| cos(PI()/3)        |
+--------------------+
| 0.5000000000000001 |
+--------------------+
1 row in set (0.00 sec)

//获取pi

mysql> select pi();
+----------+
| pi()     |
+----------+
| 3.141593 |
+----------+
1 row in set (0.00 sec)

 

 

posted @ 2019-08-04 21:16  anobscureretreat  阅读(580)  评论(0)  编辑  收藏  举报