满足tan(x-π/4)>=1的x的集合
问题描述:
满足tan(x-π/4)>=1的x的集合
答
tan(x-π/4)>=1=tan(kπ+π/4)
kπ+π/4
满足tan(x-π/4)>=1的x的集合
tan(x-π/4)>=1=tan(kπ+π/4)
kπ+π/4