Prove that 20-3 sin 20 = 2 cos (20+).

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Prove that

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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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Prove that 20-3 sin 20 = 2 cos (20+).

Question:

20-√3 sin 20 = 2 cos (20+).

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70 2 cos 20 2co...View the full answer

Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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