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Asked by jessica

how would i find the derivative of this problem: t-.3t^2+cos 4t? I don't know how to find the derivative of cos 4t
18 years ago

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Answered by bobpursley
d/dx cos4x= -sin 4x (4) or -4sin(4x)

18 years ago
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how would i find the derivative of this problem: t-.3t^2+cos 4t? I don't know how to find the derivative of cos 4t

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