那位数学高手lim(x趋向于π/2){in(sinx)}/(π-2x)^2怎么变成lim(x趋向于π/2){sinx-1
那位数学高手lim(x趋向于π/2){in(sinx)}/(π-2x)^2怎么变成lim(x趋向于π/2){sinx-1
那位数学高手lim(x趋向于π/2){in(sinx)}/(π-2x)^2请问有没有简便的方法啊
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