lim(x趋近于0)(sinx)³tanx/1-cosx²求详细过程
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lim(x趋近于0)(sinx)³tanx/1-cosx²求详细过程
lim(x趋近于0)(sinx)³tanx/1-cosx²
求详细过程
lim(x趋近于0)(sinx)³tanx/1-cosx²求详细过程
用等价无穷小代换
lim(x→0)(sinx)³tanx/(1-cosx²)
=lim(x→0)x^3*x/(x^4/2)
=2