limx/根号1-cosx=?x趋于正0
来源:学生学帮网 编辑:学帮网 时间:2024/05/27 17:41:25
limx/根号1-cosx=?x趋于正0
limx/根号(1-cosx)
=limx/根号[2(sinx/2)^2]
=limx/根号[2*x^2/4]
=1/根号[1/2]
=根号2
limx/根号1-cosx=?x趋于正0
limx/根号(1-cosx)
=limx/根号[2(sinx/2)^2]
=limx/根号[2*x^2/4]
=1/根号[1/2]
=根号2