please show all work

R refers to R, not R1 and R2

Problem 3. For the electric dipole shown below, d = 0.5 cm and E| = 5 (mV/m) at R = 0.8 m and 0 = 30. Find E at R=2 m and 0 = 90. (20 points) (a) Setup equations (10 pts) P-R..) (b) Show work. (10 pts) (c) Final answer. (5 pts) d cos 8