已知f(α)=sin(π-α)cos(2π-α)tan(-α+3π/2)/cos(-π-α)则f（-13π/3）的值是

来源：学生作业帮助网编辑：六六作业网时间：2025/02/02 23:33:04

已知f(α)=sin(π-α)cos(2π-α)tan(-α+3π/2)/cos(-π-α)则f（-13π/3）的值是已知f(α)=sin(π-α)cos(2π-α)tan(-α+3π/2)/cos(

已知f(α)=sin(π-α)cos(2π-α)tan(-α+3π/2)/cos(-π-α)则f（-13π/3）的值是
已知f(α)=sin(π-α)cos(2π-α)tan(-α+3π/2)/cos(-π-α)
则f（-13π/3）的值是