lim x→0 x(e^2x-1)/(tgx)^2 lim x→0 (tanx-sinx)/(sin3x)^2 lim x→0 ln(1-3x^2)/2xsin3x

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limx→0x(e^2x-1)/(tgx)^2limx→0(tanx-sinx)/(sin3x)^2limx→0ln(1-3x^2)/2xsin3xlimx→0x(e^2x-1)/(tgx)^2lim

lim x→0 x(e^2x-1)/(tgx)^2 lim x→0 (tanx-sinx)/(sin3x)^2 lim x→0 ln(1-3x^2)/2xsin3x
lim x→0 x(e^2x-1)/(tgx)^2 lim x→0 (tanx-sinx)/(sin3x)^2 lim x→0 ln(1-3x^2)/2xsin3x

lim x→0 x(e^2x-1)/(tgx)^2 lim x→0 (tanx-sinx)/(sin3x)^2 lim x→0 ln(1-3x^2)/2xsin3x
lim (x(e^(2x)-1))/(tgx)^2 = lim((e^(2x)-1)/x)/(tgx/x)^2=2/(1)^2=2
lim x→0 ln(1-3x^2)/2xsin3x=-6x/(1-3x^2)/(2sin3x+6xcos3x)=-6/(1-3x^2)[1/(6cos3x+6cos3x-18xsin3x)]=-6/12=-1/2
lim x→0 (tanx-sinx)/(sin3x)^2=(sec^2 x-cosx)/3(sin6x)=[2 secx tgx secx+sinx]/18cos6x=0