tanx的诱导公式
- 来源:互联网
- 发布时间:2026-05-06 07:31:43
tan(2π+α)=tanα
tan(-α) =-tanα
tan(π-α) =-tanα
tan(π+α) =tanα
tan(α-β) =(tanα-tanβ)/(1+tanα×tanβ)
tan(π/2+α)=-cotα
tan(π/2-α)=cotα
tan(2π+α)=tanα
tan(-α) =-tanα
tan(π-α) =-tanα
tan(π+α) =tanα
tan(α-β) =(tanα-tanβ)/(1+tanα×tanβ)
tan(π/2+α)=-cotα
tan(π/2-α)=cotα