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1 In the right angle triangle 4ABC where ZC is 90 ZA 42 and side c 45 cm determine the unknown side a Round your answer to the nearest centimetre a sin42 45 A 30 cm B 32 cm C 29 cm D 31 cm 2 Use right angle trigonometry to determine ZA Round your answer to the nearest degree b 12 C A 36 B 45 C 30 D 37 c 15 B unknown ride a Bound your answer to the nearest tenth of a unit
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