JavaScript Math ObjectAJAX/JavaScript : 2007/07/09 15:55참조 : http://www.w3schools.com/js/js_obj_math.aspMatk 객체 메소드MethodDescriptionFFNIEabs(x)Returns the absolute value of a number123acos(x)Returns the arccosine of a number123asin(x)Returns the arcsine of a number123atan(x)Returns the arctangent of x as a numeric value between -PI/2 and PI/2 radians123atan2(y,x)Returns the angle theta of an (x,..