ATAN2
Returns a DOUBLE PRECISION value representing the trigonometric inverse tangent of the arithmetic dividend of the arguments.
Behavior Type
Syntax
ATAN2 ( quotient, divisor )
Parameters
quotient |
Is an expression of type DOUBLE PRECISION representing the quotient |
divisor |
Is an expression of type DOUBLE PRECISION representing the divisor |
Example
SELECT ATAN2(2,1); ATAN2 ------------------ 1.10714871779409 (1 row)