tan0,tan(π/2),tanπ,tan(3π/2),tan2π分别等于多少来着?

问题描述:

tan0,tan(π/2),tanπ,tan(3π/2),tan2π分别等于多少来着?

tan0 = 0
tan(π/2) = 正无穷大
tanπ = 0
tan(3π/2)= 负无穷大
tan2π = tan0 = 0