a) s ’ left parenthesis t right parenthesis space equals space – 3 space cos left parenthesis t right parenthesis space space space space e space s...
a) s ’ left parenthesis t right parenthesis space equals space – 3 space cos left parenthesis t right parenthesis space space space space e space space space space space s ’ ’ left parenthesis t right parenthesis space equals space – 3 space s e n left parenthesis t right parenthesis b) s ’ left parenthesis t right parenthesis space equals space – 3 space s e n left parenthesis t right parenthesis space space space space e space space space space space s ’ ’ left parenthesis t right parenthesis space equals space 3 space cos left parenthesis t right parenthesis c) s ’ left parenthesis t right parenthesis space equals space 3 space s e n space t space space space space e space space space space space s ’ ’ left parenthesis t right parenthesis space equals space minus 3 space cos space t d) s ’ left parenthesis t right parenthesis space equals space 3 space cos space t space space space space e space space space space space s ’ ’ left parenthesis t right parenthesis space equals space 3 space s e n space t e) s ’ left parenthesis t right parenthesis space equals space 3 space s e n left parenthesis t right parenthesis space space space space e space space space space space s ’ ’ left parenthesis t right parenthesis space equals space 3 space cos left parenthesis t right parenthesis
A alternativa correta é a letra d) s ’ left parenthesis t right parenthesis space equals space 3 space cos space t space space space space e space space space space space s ’ ’ left parenthesis t right parenthesis space equals space 3 space s e n space t.
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