化简tan(-α+3π/2) 麻烦写下过程
问题描述:
化简tan(-α+3π/2) 麻烦写下过程
答
tan(-α+3π/2) =tan(-α+3π/2-π)= tan(-α+π/2)=cot(-α)=-cotα,tan的周期为π
化简tan(-α+3π/2) 麻烦写下过程
tan(-α+3π/2) =tan(-α+3π/2-π)= tan(-α+π/2)=cot(-α)=-cotα,tan的周期为π