lim x→o (tanx-x)/(x-sinx)极限怎么求呀?
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limx→o(tanx-x)/(x-sinx)极限怎么求呀?limx→o(tanx-x)/(x-sinx)极限怎么求呀?limx→o(tanx-x)/(x-sinx)极限怎么求呀?原式=lim(x->
lim x→o (tanx-x)/(x-sinx)极限怎么求呀?
lim x→o (tanx-x)/(x-sinx)极限怎么求呀?
lim x→o (tanx-x)/(x-sinx)极限怎么求呀?
原式=lim(x->0)[(sec²x-1)/(1-cosx) (0/0型极限,应用洛必达法则)
=lim(x->0)(2sec²xtanx/sinx) (0/0型极限,应用洛必达法则)
=lim(x->0)(2/cos³x)
=2
lim x→o (tanx-x)/(x-sinx)极限怎么求呀?
lim x→o (tanx-x)/(x-sinx)极限怎么求(不用罗必塔法则)
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lim(x→0) tanx/x=
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lim(x→0) (1+tanx)^cotx
lim(X->0)(tanX一SinX)/(X^3)=
lim x→0 (tanx-x)/x³=?
lim(x→0)(secx)^2tanx
lim(x→ 0)(tanx-sinx)/xsinx^2
lim(X→ π/2)tanx/tan3x
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x→+0,lim(1/x)^(tanx)=?