![](https://iknow-base.cdn.bcebos.com/lxb/notice.png)
1个回答
展开全部
x趋于0
lim sinax/tanbx=lim (sinax/ax )*(bx/sinbx) *cosbx *(a/b)
=(a/b)lim sinax/ax * lim bx/sinbx *limcosbx
=(a/b)*1*1*1
=a/b
lim sinax/tanbx=lim (sinax/ax )*(bx/sinbx) *cosbx *(a/b)
=(a/b)lim sinax/ax * lim bx/sinbx *limcosbx
=(a/b)*1*1*1
=a/b
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询