In Exercises 35-60, find the reference angle for each aI need help with the Highlighted numbers

56.
[tex]\begin{gathered} \frac{17\pi}{3};IV\text{ quadrant} \\ \theta r=2\pi-\frac{17\pi}{3}=\frac{1}{3}\pi \end{gathered}[/tex]36.
[tex]\begin{gathered} 170,II\text{ quadrant} \\ \theta r=180-170=10 \end{gathered}[/tex]48.
[tex]\begin{gathered} -359,I\text{ quadrant} \\ \theta r=360+(-359)=1 \end{gathered}[/tex]60.
[tex]\begin{gathered} -\frac{13\pi}{3},IV\text{ quadrant} \\ \theta r=-\frac{\pi}{3} \end{gathered}[/tex]40.
[tex]\begin{gathered} 351,IV\text{ quadrant} \\ \theta r=360-351=9 \end{gathered}[/tex]52.
[tex]\begin{gathered} 553,III\text{ quadrant} \\ \theta r=193-180=13 \end{gathered}[/tex]