O-LevelAdditional MathematicsCircular measureMay/June 2011Paper 2 Q1112 Marks
Answer only one of the following two alternatives. EITHER The diagram shows an isosceles triangle AOB and a sector OCDEO of a circle with centre O. The line AB is a tangent to the circle. Angle AOB = 1.8 radians and the radius of the circle is 12 cm. OR The diagram shows part of the curve y=xsinx and the normal to the curve at the point P(π/2, π/2). The curve passes through the point Q(π, 0).
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