Pi Mensae b was created in 2001.
Pi Studios was created in 2002.
Pi Recordings was created in 2001.
Pi Delta Kappa was created in 1907.
Life of Pi was created in 2001-09.
cos(a)cos(b)-sin(a)sin(b)=cos(a+b) a=7pi/12 and b=pi/6 a+b = 7pi/12 + pi/6 = 7pi/12 + 2pi/12 = 9pi/12 We want to find cos(9pi/12) cos(9pi/12) = cos(3pi/4) cos(3pi/4)= cos(pi-pi/4) cos(pi)cos(pi/4)-sin(pi)sin(pi/4) cos(pi)=-1 sin(pi)=0 cos(pi/4) = √2/2 sin(pi/4) =√2/2 cos(pi)cos(pi/4)-sin(pi)sin(pi/4) = - cos(pi/4) = -√2/2
Sigma Pi Phi was created in 1904.
Delta Sigma Pi was created on 1907-11-07.
Pi was created by Ancient Egyptians in 1706. Hope that helps! (:
Omega Pi was created on 1985-04-20.
Delta Gamma Pi was created in 1998.
Pi Lambda Phi was created in 1895.
Epsilon Tau Pi was created in 1999.