求极限limx→1(1-x)tan(πx/2).
原式=limx→1={(1-x)sin(π/2)x/[cos(π/2)x]}=limx→1sin(π/2)x limx→1{π/2(1-x)/{sin[π/2(1-x)]}}(2/π)=2/π.
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/53737.html
上一篇:根据公司的愿景而选择的路径被称为公司的( )
根据公司的愿景而选择的路径被称为公司的( )
下一篇:Complete the following sentence with a (compound) word derived from the one(s) given in bracket.The small boy's ability to absorb information was( )
Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
The small boy's ability to absorb information was( )