Reduce the expression for the refractive index of glass in terms of the angle of the prism and the angle of minimum deviation.
a) (sin(A + D/2))/(sin(A/2))
b) (sin(A/2))/(sin(A + D/2))
c) (sin(D/2))/(sin(A + D/2))
d) (sin(A + D/2))/(sin(D/2))