Answer:
4,8,12 hope that helps heeeeheheʘ‿ʘ
I believe that he answer would be <span>0.35</span>
For 6, angle 1 = 75° and angle 2= 105°
for 7, angle 1 = 50° and angle 2= 130
i hope this helps!!
In the third quadrant, the tangent is positive.
tan(θ) = tan(arcsin(0.7660)) ≈ 1.1916