COT
Returns the cotangent of x, where x is given in radians, or NULL if x is invalid.
Syntax
COT (x)
Arguments
x: the argument
Return Type
Float or double. NULL if x is NULL or invalid.
Examples
SELECT COT(3.14159265359 / 2); **** +----------------------------------+ | COT(3.14159265359 / 2) | +----------------------------------+ | -0.00000000000010341155355510721 | +----------------------------------+