Question: Find the derivative, r ' ( t ) , o f the vector function. r ( t ) = atcos ( 4 t ) i

Find the derivative, r'(t),of the vector function.
r(t)=atcos(4t)i+bsin3(t)j+ccos4(t)k
r'(t)=
Find the derivative, r ' ( t ) , o f the vector

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