求极限lim(1+3x)^(2/sinx),x趋向于0
求极限lim(1+3x)^(2/sinx),x趋向于0
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求极限lim (sinx/x)^(1/1-cosx),x趋向于0
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lim(x趋向于0)((tanx-sinx)/(x*(sinx)^2)) 求极限,
急.求极限 lim x趋向于π/2,(sinx)的(1/cosx)^2
求极限:lim(x^2*sinx-2x^3)/(x^3+2x^4) 当x趋向于0
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x趋向于0 求极限 lim(1/x-1/sinx)