# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 2 (P2-9709/02) | Year 2008 | Oct-Nov | (P2-9709/02) | Q#8

Question i. a. Prove the identity b. Hence prove that ii. By differentiating , show that if then . iii. Using the results of parts (i) and (ii), find the […]