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Estudos Gerais10/08/2024

Para todo x ∈ R, a expressão cos( log(x² + 7) / (x⁴ + 5) ) e...

Para todo x ∈ R, a expressão cos( log(x² + 7) / (x⁴ + 5) ) equivale a

a) cos( log(x⁴ + 5) / (x² + 7) )

b) sen( log(x² + 7) / (x⁴ + 5) )

c) - cos( log(x² + 7) / (x⁴ + 5) )

d) sen( log(x⁴ + 7) / (x² + 7) )

e) - cos( log(x⁴ + 7) / (x² + 5) )

Question image: Para todo x ∈ R, a expressão cos( log(x² + 7) / (x⁴ + 5) ) equivale a

a) cos( log(x⁴ + 5) / (x² + 7) )

b) sen( log(x² + 7) / (x⁴ + 5) )

c) - cos( log(x² + 7) / (x⁴ + 5) )

d) sen( log(x⁴ + 7) / (x² + 7) )

e) - cos( log(x⁴ + 7) / (x² + 5) )
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