id&qtp&qim&qil&qtx&qca&qia&qrm&qnxt&qprv&qalb&subj&wght&pts&flr&ded math2000.001&mcs&0&&The cosign is part of which branch of mathematics?&&&&&&&&&&&0 math2000.002&mcs&0&N&12n5 (81/8 * 67/8) / 43 =&&1;2;3;&&&&a&.0&&&&