We know that sin(π/6) = 0.5
Therefore, we are looking for sin(8 × π/6) or sin(4π/3)
Now, this has a reference angle of π/3, but it is in the third quadrant. This means that the value will be negative. The value of sin(π/3) is √3/2
However, given the quadrant of our angle, it will be -√3/2