解lim/(x→0 )sin2x/x
lim(x→0)(x-sin2x)/(x+sin5x)
求lim(x→0) (x+sin2x)/(x-sin2x)
sin2x lim ------- x→0 tan3x
lim sin2x/3x x趋向0
lim x-0 sin2x/x 求极限
lim(sin2x/x)(x趋于0),lim(arctan2x/x) (x趋于∞)
计算极限lim(x→0)[1-x^2-e^(-x^2)]/(sin2x)^4
lim(X->0)sin2x/x =lim(X->0)2(sin2x/2x)=2
2.3计算极限lim(x→0) sin2x / sin5x
求极限lim x→0 sin2x/sin3x ,
lim sin2x/sin5x (x→0),求详细过程
求(x→0)lim(sin2x/sin5x)的极限,