Answer
amplitude $1$, period $ 2$, no vertical translation, and phase shift $\frac{1}{3}$ to the right.
Work Step by Step
Given $y=-\ cos[\pi(x-\frac{1}{3})]$, we can find the following: amplitude $1$, period $p=\frac{2\pi}{\pi}=2$, no vertical translation, and phase shift $\frac{1}{3}$ to the right.
