Formula q_366 (Q253): Difference between revisions

${\displaystyle \left|\begin{array}{ccccc}(1)\sin (x)& (1)\sin (2x)& (1)\sin (3x)& \mathrm{...}& (1)\sin (nx)\\ (1)\cos (x)& (2)\cos (2x)& (3)\cos (3x)& \mathrm{...}& (n)\cos (nx)\\ -(1{)}^2\sin (x)& -(2{)}^2\sin (2x)& -(3{)}^2\sin (3x)& \mathrm{...}& -(n{)}^2\sin (nx)\\ -(1{)}^3\cos (x)& -(2{)}^3\cos (2x)& -(3{)}^3\cos (3x)& \mathrm{...}& -(n{)}^3\cos (nx)\end{array}\right|}$