Prove the following identities:
Posted: Tue May 10, 2022 5:45 pm
Prove the following identities:
TC 1. S cos(mx) cos(nx) dx = 0 if m en = -TT TC 2. S cos(mx) cos(nx)dx = if m = n -TT
TC 1. S cos(mx) cos(nx) dx = 0 if m en = -TT TC 2. S cos(mx) cos(nx)dx = if m = n -TT