(six + two *n)*Abs(tan(fifteen /(eleven + nine *n))/tan(fifteen /(twenty + nine *n)))/(eight + two *n)
(6 plus 2 multiply by n) multiply by Abs( tangent of (15 divide by (11 plus 9 multiply by n)) divide by tangent of (15 divide by (20 plus 9 multiply by n))) divide by (8 plus 2 multiply by n)
(six plus two multiply by n) multiply by Abs( tangent of (fifteen divide by (eleven plus nine multiply by n)) divide by tangent of (fifteen divide by (twenty plus nine multiply by n))) divide by (eight plus two multiply by n)
