Question 1079106
-2sin x*cos x=sqrt(3)*sinx
-2 cos x= sqrt(3)
cos x=-sqrt(3)/2
This occurs at 150 deg and 210 deg or (5/12 pi and 7/12 pi)
check
-sin 300=sqrt (3)*sin 150
-(-sqrt(3)/2)=sqrt(3)*1/2, check.
-sin(420)=sqrt(3)*sin (210)
- sqrt(3)/2=sqrt(3)*(-1/2), check