Answer to Question #18375 in Real Analysis for Matthew Lind
0 does not equal lim x-->infinity cosx.
cosx. But if we consider the following sequences xn1=pi*n1 and xn2=pi/2+2*pi*n2
we get lim cos(xn1)=1 and lim cos(xn2)=0 1!=0. So 0 does not equal lim cosx
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