lim x→
lim (x→0)x-sinx/x
lim(x-cosx)/x x→-∞
lim(x →0)tan2x/x
lim x→0((x+ sinx)/tanx)
lim x→+∞ xe^(-x)=?
lim(x→0)(sin5x)/x=?
lim(x→pi)x^cosx
lim(x→0)sinx/|x|
当x→∞ 时,求lim[(x+sinx)/x]和lim[(x+cosx)/x],
求极限lim(x→0)sinxsin(1/x);lim(x→∞)(arctanx/x)
Lim tan5x/sin3x X→∏ Lim( sinx-x*cosx)/(x2*sinx) X→0 Lim Lnta
lim x→0 tan2x/sin5x