[3] A progressive wave having deep water wave height of H. = 5m and wave period of T=10s

is propagating towards the shore. Calculate the wave height, Hi at the depth of 8 m.

a) if the approaching wave angle in deep water is 30.

b) if the approaching wave angle in deep water is 0.

c) discuss the main differences between case a and case b (explain why the wave heights are

different).