已知cos(x-π/6)=-√3/3,则cosx+cos(x-π/3)的值.求详解

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 12:03:01
已知cos(x-π/6)=-√3/3,则cosx+cos(x-π/3)的值.求详解

已知cos(x-π/6)=-√3/3,则cosx+cos(x-π/3)的值.求详解
已知cos(x-π/6)=-√3/3,则cosx+cos(x-π/3)的值.求详解

已知cos(x-π/6)=-√3/3,则cosx+cos(x-π/3)的值.求详解