Jawabanmu

2014-04-28T13:41:35+07:00
Lim 1-cos(x+2)/ x^2+4x+4=...
x→0
lim 1-(1-2sin^2 1/2) (x+2)/ (x+2)^2
x→0
lim 2sin^2 1/2 (x+2)/ (x+2)^2..
x→0
2 lim sin 1/2 (x+2) /(x+2).lim sin 1/2 (x+2) /(x+2)
   x→0                          x→0
=2.1/2.1/2=1/2