
Patrick B. answered 01/16/20
Tutor
4.7
(31)
Math and computer tutor/teacher
THEN tangent = -sqrt(3)/2
Tangent is negative in quadrants 2 and 4
inverse tangent of (sqrt(3)/2) = 40.893395- in degrees
In quadrant 2, that is 139.106605+
IN quadrant 4, that is 319.106605+