两个重要极限 sInx 极限1im= lim x sin-=1 x→>0x x→00 x 极限21im1+=imn(1+x)1=e X >0两个重要极限 极限1 0 sin 1 lim lim sin 1. x x x x → → x x ∞ = = 极限2 ( ) 1 0 1 lim 1 lim 1 . x x x x x e →∞ x → ⎛ ⎞ + = + = ⎜ ⎟ ⎝ ⎠