You can use the calculator here, noting that there are 60 minutes in a degree:
$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}{\left({\mathtt{29}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{12}}}{{\mathtt{60}}}}\right)} = {\mathtt{0.558\: \!881\: \!109\: \!6}}$$
.
You can use the calculator here, noting that there are 60 minutes in a degree:
$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}{\left({\mathtt{29}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{12}}}{{\mathtt{60}}}}\right)} = {\mathtt{0.558\: \!881\: \!109\: \!6}}$$
.