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

求极限lim_{x->0} tan3x/sin5x = ( ) A.0 B.3 C.3/5 D.5/3 求极限lim_{x->0} tan3x/sin5x = ( )A.0 求极限lim(x->0)(x^2+tanx-sin5x)/(tan3x-x^3) lim( tan3x-sin5x)/X X趋于0 求极限 lim x趋近于0(tan3x/sin5x) 求极限?我有结果. lim（x→0）tan3x/sin5x=? lim(x→0)sin5x/3x 的极限 求极限 limx趋近于0 (tan3x-3x)/ln(1+2x^2)(e^(-x)-1) 求解两道极限题若函数f(x)再a点可导,则lim_[f(a)-f(a+2h)]/3h=?设f(x)在x=0处连续,则li 极限计算(1) lim_{x→0}(ln(a+x-lna)/(x)的极限是什么 (2) lim_{x→∞}√(x^2+1 lim(x→0)tan3x/x的极限怎么求? lim 2x/tan3x x→0 求极限