# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2011 | Oct-Nov | (P2-9709/23) | Q#4

Hits: 41 Question i. Express in terms of . ii. Hence show that Solution i. We are given that; From this we can write; We have the trigonometric identity; From this we can write; Hence; ii. We are required to show that; We have found in (i) that; Therefore; […]