lim[cos ln(1+x)-cos ln(x)]
lim[cos ln(1+x)-cos ln(x)]
求极限:lim(x→0)ln(1+x²)/ (sec x- cos x)
lim(cos(1/x)+2/sinx-1/ln(1+x)) x趋近于0
lim(x趋向于无穷大时)cos{ln[1+(2x-1)/x^2]}
lim(x→0)[cos√(1-x^2)]/[tanx*ln(1+x)]
lim ln (2+x^2)/ cos(1+x^2),x趋近于0
当x趋近于0时,lim [1-cos(sinx)]/ln(1+x^2)
lim(x→0)ln tan7x/ln tan2x= lim(x->0) [7(tan2x)·cos²2x]/
求极限lim(1-cos(1-cosX))/(sinx^2*ln(1+x^2))有图.
lim{[3sinx+(x^2)*cos(1/x)]/[(1+cosx)ln(1+x)]}(x趋近于0)
当 x->0 ,且 x>0 时,求极限:lim ln(2*cos(x)+sin(1/x)) .
lim x→0[∫上x下0 cos(t^2)dt]/x ; lim x→0[∫上x下0 ln(1+t)dt]/(xsin