Question
Determine order and degree (if defined) of differential equations given in Exercise.
$\frac{\text{d}^2\text{y}}{\text{dx}^2} =\text{cos} 3\text{x}+\text{sin} 3\text{x}$
$\frac{\text{d}^2\text{y}}{\text{dx}^2} =\text{cos} 3\text{x}+\text{sin} 3\text{x}$