证明:arctanx+arccotx=2分之派.应该是用拉格朗日中值定理做的,

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/02 08:08:15
xJ@_e M\I| 1ve?D"T,2>/1wDK33j&\iZ[k"_km+fM Q{lG9v\9%`a1.;`NiQ=jI(5+꿤|N5IA} Yƅ+/]w0qVhQr_3( ĺAg&[o-(QYlPz[6?ghqKT?H (3 ejUTs;J0:%[*`nHbZ0/J)J*4F%Q8,