$$\frac{\partial}{\partial y} \left( t - \sin{\left(t \right)}, \ y\right)$$
2
d
---((t - sin(t), y))
2
dy
$$\frac{\partial^{2}}{\partial y^{2}} \left( t - \sin{\left(t \right)}, \ y\right)$$
3
d
---((t - sin(t), y))
3
dy
$$\frac{\partial^{3}}{\partial y^{3}} \left( t - \sin{\left(t \right)}, \ y\right)$$