求极限(sin (x -π/3))/(1-2cos x ) x
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求极限(sin(x-π/3))/(1-2cosx)x求极限(sin(x-π/3))/(1-2cosx)x求极限(sin(x-π/3))/(1-2cosx)x当x趋近3分子分母都趋近于0则用洛必达法则,
求极限(sin (x -π/3))/(1-2cos x ) x
求极限(sin (x -π/3))/(1-2cos x ) x
求极限(sin (x -π/3))/(1-2cos x ) x
当x趋近3 分子分母都趋近于0 则用洛必达法则,分子求导为cos(x-?/3)分母求导为2sinx,再将x=?/3代入可得1/根3(?表示拍)
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