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  3. 4 determine whether each of the following functions is periodic...

Question: 4 determine whether each of the following functions is periodic...

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4. Determine whether each of the following functions is periodic or not. If periodic, find its fundamental period and sketch the graph. (a) sin (Problem 1.1A2) (b) sin(3t) (Problem 1.1A3) (c) Isin(t)| (Problem 1.1A7) (d) cos) (Problem 1.1A10) (e) f(t) n=0,±1,±2, 1, 2n ,<2n+1,
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