sin(3/2π-α)= cos(3/2π-α)=

来源：学生作业帮助网编辑：六六作业网时间：2024/05/11 19:15:39

sin(3/2π-α)=cos(3/2π-α)=sin(3/2π-α)=cos(3/2π-α)=sin(3/2π-α)=cos(3/2π-α)=sin(3/2π-α)=-cosαcos(3/2π-α)

sin(3/2π-α)= cos(3/2π-α)=
sin(3/2π-α)= cos(3/2π-α)=

sin(3/2π-α)= cos(3/2π-α)=
sin(3/2π-α)=-cosα
cos(3/2π-α)=-sinα