# Past Papers’ Solutions | Cambridge International Examinations (CIE) | AS & A level | Mathematics 9709 | Pure Mathematics 1 (P1-9709/01) | Year 2019 | Oct-Nov | (P1-9709/13) | Q#4

Question The diagram shows a semicircle ACB with centre O and radius . Arc OC is part of a circle with centre A. (i)Express angle CAO in radians in terms of . (ii)Find the area of the shaded region in terms of , and , simplifying your answer. Solution (i) We are required to […]