Buy the book. Subscribe to a legal solution service. Go to office hours. Build your own solution manual as you learn. That manual—full of your own hand-drawn diagrams and annotated equations—is worth more than any downloaded file.
Instead, view the solutions (acquired legally via Chegg, Course Hero, or your professor) as a . Look at them after you have genuinely attempted the problem. Use them to understand where your logic broke down—was it the curl operation? The phase constant? The impedance matching? Buy the book
If you simply copy A = B * C from a solution manual without understanding why the divergence theorem was applied or how the boundary condition was set, you will fail the exam. Electromagnetics is cumulative. Miss the concept of phasors in Chapter 1, and you will be lost in Chapter 7 on plane waves. Build your own solution manual as you learn
Electromagnetics is spatial. Take the field plots from Chapter 4 (Electrostatics) and redraw them by hand. This builds intuition. Look at them after you have genuinely attempted the problem