求极限,lim(x^2sin(1/x))/sinx
求极限 ((sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1
求极限lim.[( tanx-sinx) /(sin^2 2x)]
求下列极限 lim(x→∞) (sin√(x^2+1)-sinx)
求极限lim(x-->0) (tanX-sinX)/[(sin^3)X]
求极限 lim (x->0) sin(sinx)/x
求极限lim(x趋于0时)sin(sinx)/x
求极限 1,lim(x→∞)(sinx/x +100) 2,lim(x→∞)xtan1/x 3,lim(x→1)sin^
求极限lim(x-->0)x^2 sin(1/x),
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求极限lim.[( tanx-sinx) /(sin^3x)]
求极限 lim(cosx+sinx)^1/x
lim x->0(sqrt(sin(1/x^2)) 求极限