lim(x →0)sin3x/tan2x
问题描述:
lim(x →0)sin3x/tan2x
答
x →0
则sin3x/3x和tan2x/2x极限都是1
所以原式=lim(x →0)(3/2)*(sin3x/3x)/(tan2x/2x)
=3/2