Date: Dec 8, 2012 2:04 PM
Author: thomasinventions@yahoo.com
Subject: Infinite series in pi just discovered

1= (N*pi)^2/3! - (N*pi)^4/5! + (N*pi)^6/7! -(N*pi)^8/9! +-...

Where N is an integer not equal to zero.

Also,

f((2N-1)*pi/2)=1+((-1)^N)*2/((2N-1)pi) where N is an integer not equal to zero.