> 数学 >
limx->0(x+sinx)/(x-sinx)等于多少
人气:308 ℃ 时间:2020-03-23 13:08:54
解答
limx->0(x+sinx)/(x-sinx)
=limx->0 (1+cosx)/(1-cosx)
=limx->0-sinx/sinx=-1
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版