lim(x->0)(x^2+2x)cos5x/sin2x

lim 1-cos5x/x^2 x趋向0 lim(X->0)sin2x/x =lim(X->0)2(sin2x/2x)=2 lim(x->0)(tan3x+2x)/(sin2x+3x) lim x→0 ln(cos5x)/ln(cos2x) 求lim(x→0) (x+sin2x)/(x-sin2x) lim sin2x/3x x趋向0 lim x-0 sin2x/x 求极限 求极限 lim x→π/2 (sin2x)^3 lim x→0 根号(1+x^2)-1/x lim sin2x/2x x→+无限 的极限是什么 计算极限lim(x→0）[1-x^2-e^(-x^2)]/(sin2x)^4 求极限lim(x→0){(2x-sin2x)/xsin^2x} 求极限 lim(x→0){x[sin(1/x^2)-1/sin2x]}