lim(x->0) (sin2x)/(tan2x)2/3
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lim(x->0)(sin2x)/(tan2x)2/3lim(x->0)(sin2x)/(tan2x)2/3lim(x->0)(sin2x)/(tan2x)2/3lim(x→0)sin2x/tan2x
lim(x->0) (sin2x)/(tan2x)2/3
lim(x->0) (sin2x)/(tan2x)
2/3
lim(x->0) (sin2x)/(tan2x)2/3
lim(x→0)sin2x/tan2x=lim(x→0)cos2x=1
千真万确!
lim(x->0)(sin2x)/(tan2x)=lim(x->0)(cos2x)=1啊
lim(x→0)sin2x/tan2x=lim(x→0)cos2x=1
lim(x→0)sin2x/tan2x=lim(x→0)cos2x=1
千真万确!
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