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