. 1. The relations for the potential, electric and magnetic fields, and time averaged intensity are written in terms of spherical coordinates (cos θ pow ___ (_) sin[w(t-r/c)] V(r, θ, t) Scalar Potential: Hopow ATT -pop Α(r, θ,t) -sin[w(t-r/c)]2 Vector Potential: μοΡου-(-) cos[w(t-r/c)ja Electric Field: Ε--7V (3) 4π 7" Magnetic Field: B Vx A- 〈S) = (ww) sn-2- Intensity: Express these relationships in "coordinate-free" form, in which one is not committed to the spherical coordinate system. As an example, Po cose in Equation 1 may expressed in this manner by taking advantage of the fact that Pocos θ-Po . 1. The relations for the potential, electric and magnetic fields, and time averaged intensity are written in terms of spherical coordinates (cos θ pow ___ (_) sin[w(t-r/c)] V(r, θ, t) Scalar Potential: Hopow ATT -pop Α(r, θ,t) -sin[w(t-r/c)]2 Vector Potential: μοΡου-(-) cos[w(t-r/c)ja Electric Field: Ε--7V (3) 4π 7" Magnetic Field: B Vx A- 〈S) = (ww) sn-2- Intensity: Express these relationships in "coordinate-free" form, in which one is not committed to the spherical coordinate system. As an example, Po cose in Equation 1 may expressed in this manner by taking advantage of the fact that Pocos θ-Po