Math  /  Calculus

QuestionDerivar la función f(x)=cos4(3x)f(x)=\cos ^{4}(3 x).

Studdy Solution
Multiplicar las derivadas obtenidas:
La derivada de f(x)=cos4(3x) f(x) = \cos^4(3x) es:
f(x)=4(cos(3x))3(3sin(3x)) f'(x) = 4(\cos(3x))^3 \cdot (-3\sin(3x))
Simplificar:
f(x)=12(cos(3x))3sin(3x) f'(x) = -12(\cos(3x))^3 \sin(3x)
La derivada de la función es:
12(cos(3x))3sin(3x) \boxed{-12(\cos(3x))^3 \sin(3x)}

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