\(
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\)
Seja \(Y(n) = -5 \sin (n) \left (\sqrt {n}+3 \sin (n)\right )\). Calcule e simplifique: \[ Y'(n) \begin{prompt}=\left (\class{xm-answer}{\cssId{xm-answer-1}{\phantom{\rule{7em}{1.5em}}}}\right )\sin {(n)} +\left (\class{xm-answer}{\cssId{xm-answer-2}{\phantom{\rule{7em}{1.5em}}}}\right ) \cos (n)+ \left (\class{xm-answer}{\cssId{xm-answer-3}{\phantom{\rule{7em}{1.5em}}}}\right )\sin {(n)} \cos (n)\end{prompt} \]