几道极限题!1,lim(x->1)(1-x)tanπ/22,lim(x->0)(tanx-sinx)/x^3

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几道极限题!1,lim(x->1)(1-x)tanπ/22,lim(x->0)(tanx-sinx)/x^3几道极限题!1,lim(x->1)(1-x)tanπ/22,lim(x->0)(tanx-s

几道极限题!1,lim(x->1)(1-x)tanπ/22,lim(x->0)(tanx-sinx)/x^3
几道极限题!
1,lim(x->1)(1-x)tanπ/2
2,lim(x->0)(tanx-sinx)/x^3

几道极限题!1,lim(x->1)(1-x)tanπ/22,lim(x->0)(tanx-sinx)/x^3
1,lim(x->1)(1-x)tanπ/2
lim12x/12*1tbanπ*1/3x
2,lim(x->0)(tanx-sinx)/x^3
lim20x2xtansixn/30x