Is it possible?

Asked by  | 11th Jan, 2013, 05:19: PM

Expert Answer:

Answer : Both are correct, it only depends from where we start the value of n.
if we start the value of n with n=0 , then  (2n+1)Pi/2
and if we start the value of n with n=1 , then  (2n-1)Pi/2

Answered by  | 11th Jan, 2013, 09:50: PM

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