- #1
maherelharake
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Homework Statement
I need to prove the equation attached. I also have to describe why the integrals vanish.
Homework Equations
The Attempt at a Solution
I am not sure how to begin. Our teacher told us this equation is known as the orthogonality condition for sines. I also know that n' is a positive integer. I think if I get help starting this I will be able to proceed.