SELECT ATAN2( X,Y )
SELECT ATAN2(8,6); // Output is 0.927295218001612 SELECT ATAN2(0.1,0.3); // Output is 0.321750554396642 SELECT ATAN2(0,0); // Output is 0
SELECT ROUND(ATAN2(5,6),2);// Output is 0.69 SELECT ROUND(ATAN2(-3,-8),2); // Output is -2.78 SELECT ROUND(ATAN2(9,-15),2); // Output is 2.60
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