Use the given side length to select the three trig ratios for the missing angle 0

So replacing in the trig ratios we get:
[tex]\sin \text{ (}\theta\text{)}=\frac{52}{65}[/tex][tex]\cos (\theta)=\frac{39}{65}[/tex][tex]\tan (\theta)=\frac{52}{39}[/tex]