求极限LIM1-COSX/XTANX (X趋向0)

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 04:11:09
求极限LIM1-COSX/XTANX (X趋向0)
x){ټƗ3'x:GG8E(hDtDM"}oӽ+/O|m: 5eCs k}#<$am8cM}cmONl|m۟M_|wѳΧt@r l @ʤ|h

求极限LIM1-COSX/XTANX (X趋向0)
求极限LIM1-COSX/XTANX (X趋向0)

求极限LIM1-COSX/XTANX (X趋向0)
当x趋近于0时,1-cosx趋近于x²/2,tanx趋近于x+(x^3)/3.分子分母都等价无穷小替换掉后,等于1/2.