The side opposite angle S has length 3, the side adjacent to angle S has length 2, and the hypotenuse has length $\displaystyle\sqrt{{13}}\usepackage{cmbright}\Huge\$ .

$\displaystyle{\cos{{S}}}\text{}\frac{\ \text{ adjacent}}{\ \text{ hypotenuse}}=\frac{{2}}{\sqrt{{13}}}\usepackage{cmbright}\Huge\$

$\displaystyle{\tan{{S}}}=\frac{\text{opposite}}{\text{adjacent}}=\frac{{3}}{{2}}\usepackage{cmbright}\Huge\$