By substituting A = P and B = Q into the addition formula for sin (A +

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By substituting A = P and B = −Q into the addition formula for sin (A + B), show that sin (P − Q) ≡ sin P cos Q − cos P sin Q.

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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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By substituting A = P and B = Q into the addition formula for sin (A +

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sin A B sin A cosB cos A ...View the full answer

Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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