lim(x趋近0)ln(x/sinx)

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lim(x趋近0)ln(x/sinx)

lim(x趋近0)ln(x/sinx)
lim(x趋近0)ln(x/sinx)

lim(x趋近0)ln(x/sinx)
因为limx/sinx=1(x→0)(这是重要极限)而lnx在x=1处连续,所以lim(x趋近0)ln(x/sinx)=0

lim(x→0)ln(x/sinx)=ln1=0

x趋于0时X/sinx=1,所以所求=ln1=0

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