Question

求极限lim_{x->0} tan3x/sin5x = ( ) A.0 B.3 C.3/5 D.5/3

Answer 1

求极限lim_{x->0} tan3x/sin5x = ( ) A.0 B.3 C.3/5 D.5/3 C =x→0时 sin3x/sin5x=3x/5x=3/5 lim_{x->0}