(ii) Consider Δ ACB, right angled at C, in which AB-29 units, BC-21 u – InterviewSolution

1.	(ii) Consider Δ ACB, right angled at C, in which AB-29 units, BC-21 units andABC-θ. Determine the values of2(a) cos-g + sinθ(b) cos 2 θ-sin 2 θ
Answer» use Pythagoras theorem

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