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TAN(x)

TAN(x) 返回 x 的正切,其中 x 为给定的弧度值

mysql> SELECT TAN(0.3), ROUND(TAN(PI()/4));+---------------------+--------------------+| TAN(0.3)            | ROUND(TAN(PI()/4)) |+---------------------+--------------------+| 0.30933624960962325 |                  1 |+---------------------+--------------------+

 

 

 

   

TAN(x)