过点A(1,0)且倾斜角为π/4的直线的极坐标方程

过点A(1,0)且倾斜角为π/4的直线的极坐标方程
过点A(1,0)且倾斜角为π/4的直线的极坐标方程

过点A(1,0)且倾斜角为π/4的直线的极坐标方程
易得y=x-1,因为y=ρsinα,x=ρcosα,代入直角坐标方程可得：ρsinα=ρcosα-1,化简可得ρ=1/(cosα-sinα) PS:所有直角坐标方程均可这样化简为极坐标方程.