O-LevelAdditional MathematicsTrigonometryOct/Nov 2020Paper 2 Q88 Marks
DO NOT USE A CALCULATOR IN THIS QUESTION. In this question lengths are in centimetres. [Figure 8.1: A diagram showing a triangle ABC with angle A = 30°, side AB = 2√3+1, side BC, and side AC. A box shows trigonometric ratios: sin 30° = 1/2, cos 30° = √3/2, tan 30° = 1/√3.]
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