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electronics and communication engineering signals and systems
1. If a function has only cosine terms, it must satisfy the equation
(A): f(-t) = -f(t)
(B): f(-t) = f(t)
(C): f(t) = -f(t)
(D): none of the above
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By: guest on 02 Jun 2017 01.13 am
cos (- θ) = cos θ.
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