Stuff

import math

def mytf(s):
	return 12/(s*(s+4)*(s+5))

def angle(c):
	realpart = mytf(c).real
	imagpart = mytf(c).imag
	return math.degrees(math.atan2(imagpart,realpart))

guess = .5j
while 180-math.fabs(angle(guess)) > .5: 
	guess = guess + .1j
	realpart = mytf(guess).real
	imagpart = mytf(guess).imag
	print "Real part:",realpart,"and","Imag part:",imagpart
	print "Guess:",guess, "Angle:",math.fabs(angle(guess))