Answer
See graph and explanations.
Work Step by Step
1. Given $y=sin(2x+\pi)=sin[2(x+\frac{\pi}{2})]$, we have $|A|=1, p=\frac{2\pi}{2}=\pi, \phi=-\frac{\pi}{2}$
2. Graph $y=sin(x)$ (blue), shift $\frac{\pi}{2}$ to the left, shrink horizontally by a factor of 2 to get $y=sin(2x+\pi)$ (red).