- #1
baby_1
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Homework Statement
In a article I have found this transformation (exp to bessel function) . I have two questions.
Homework Equations
The Attempt at a Solution
a)where did the Cos go after setting n=1 and n=-1 ? in the third equations ( it is equal to -wmt-pi/2)? why?)
b)how did the writer transform the exp to bessel function?
Thanks[/B]