MySQL Tutorial/Math Numeric Functions/COT

COT(X) returns the cotangent of X.

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mysql> mysql> SELECT COT(12); +------------------+ | COT(12) | +------------------+ | -1.5726734063977 | +------------------+ 1 row in set (0.00 sec) mysql> SELECT COT(0); +--------+ | COT(0) | +--------+ | NULL | +--------+ 1 row in set (0.00 sec) mysql></source>