求lim(x→0)[(x-sinx)÷(x+sinx)]的极限
问题描述:
求lim(x→0)[(x-sinx)÷(x+sinx)]的极限
给点解题步骤谢了.
答
0……对分子分母分别求导有(1-cosX)/(1+cosX)把X等于零代入可得值为0
求lim(x→0)[(x-sinx)÷(x+sinx)]的极限
给点解题步骤谢了.
0……对分子分母分别求导有(1-cosX)/(1+cosX)把X等于零代入可得值为0