Use the expansion of sin (A + B) to show that sin 2A 2 sin A

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Use the expansion of sin (A + B) to show that sin 2A ≡ 2 sin A cos A.

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

ISBN: 9781292183404

1st Edition

Authors: Greg Attwood, Jack Barraclough, Ian Bettison, David Goldberg, Alistair Macpherson, Joe Petran

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Question Posted: Aug 11, 2023 07:12 AM

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Use the expansion of sin (A + B) to show that sin 2A 2 sin A

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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