determine whether the series converges of diverges
the sum from k=1 to infinity of
I'm not sure where to start..
calculus - drwls, Wednesday, February 27, 2008 at 12:42am
As k becomes very large, e^-k approaches zero, and every cos(e^-k) term approaches 1.
You end up with an infinite series of terms all approaching +1, which cannot converge