lim(sin(x^2-1))/x+1趋向于负1
x趋向于无穷时 lim (3x-1)/(x^3 乘以 sin(1/x^2 ))
lim(x趋向0)ln(1+sin x)/x^2
lim(x趋向于负无穷)((x^2+1)^1/2+x)怎么做?
求lim [sin(x^2-1)]/(x-1) x趋向于1的极限.
求极限lim(x趋向于0)ln(1+x^2)/sin(1+x^2)
求下列极限.lim(n趋向于无穷大)(2x次方)*(sin*1/2x次方)
lim(x趋向于正无穷大时)[sin√(x+1)-sin√x]
lim(x趋向正无穷)[x]*sin(1\x)=?
求lim x趋向于负无穷 (x/x+1)arctanx
亲们,请问lim sin(1/x)/(1/x)= x趋向于0
lim(x趋向于0)(1+sinx-cosx)/(1+sinβx-cosβx)
求lim x趋向于0(arctanx)/(x^2+1)