Question
For each of the differential equations given below, indicate its order and degree (if defined).
$\frac{\text{d}^4\text{y}}{\text{dx}^4}-\sin\Big(\frac{\text{d}^3\text{y}}{\text{dx}^3}\Big)=0$
$\frac{\text{d}^4\text{y}}{\text{dx}^4}-\sin\Big(\frac{\text{d}^3\text{y}}{\text{dx}^3}\Big)=0$