Series: Divergent or Convergent ?

1. Mar 24, 2014

user3

How can I tell if the following series is Divergent or Convergent:

∑( e^(6pi*n) sin^2(4pi*n) ) the sum limits are from -infinity to infinity

2. Mar 24, 2014

jbunniii

Can you evaluate $\sin(4\pi n)$ where $n$ is an integer?