If $y = t^2 \cos t + \sin 4t$, find $\frac{dy}{dt}$.
University of Ilorin MTH102 2023 past question
- $2t \cos t - t^2 \sin t + 4 \cos 4t$
- $2t \cos t + t^2 \sin t + 4 \cos 4t$
- $2t \cos t - t^2 \sin t - 4 \cos 4t$
- $2t \sin t - t^2 \cos t + 4 \cos 4t$
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