Chapter 8.6, Problem 56E

To determine

To calculate: For which pair of given equations is the circle traced out in the clockwise direction if the parametric equations $x=\cos t,y=\sin t$ for t in $\left[0,2\pi \right]$ and the parametric equations $x=\cos t,y=-\sin t$ for t in $\left[0,2\pi \right]$