2 years ago

E=3.8cos(110πt). Determine the period.

1 answer:

6 0

Check the picture below.

$f(t)=3.8\cos(\stackrel{B}{110\pi } t)~\hfill \stackrel{\textit{\Large Period}}{\cfrac{2\pi }{110\pi }\implies \cfrac{1}{55}}$

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