$\text { Find the derivative of the function } y = 8 \cos 4 x \text {. }$

question 68

Multiple Choice

$\text { Find the derivative of the function } y = 8 \cos 4 x \text {. }$

• A) \(y ^ { t} = - 4 \sin 4 x\)
• B) \(y ^ { t } = - 8 \sin 4 x\)
• C) \(y ^ { t } = - 32 \sin 4 x\)
• D) \(y ^ { t } = 32 \cos 4 x\)
• E) \(y ^ { t} = - 32 \cos 4 x\)

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