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Verified answer
Sin x = √3 cos xsin x /cos x = √3
tan x = √3
tan x = tan 60°
x = 60° + k.180°
k bilangan bulat
0° < x < 360°
k = 0 ---> x = 60°
k = 1 ---> x =240°
NiLai x yg memenuhi :
60° dan 240°