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COT(x)

COT(x) 用于返回 x 的余切

mysql> SELECT COT(0.3), 1/TAN(0.3), COT(PI()/4);+--------------------+--------------------+--------------------+| COT(0.3)           | 1/TAN(0.3)         | COT(PI()/4)        |+--------------------+--------------------+--------------------+| 3.2327281437658275 | 3.2327281437658275 | 1.0000000000000002 |+--------------------+--------------------+--------------------+

 

 

 

    

COT(x)