Use the expansion of tan (A + B) to express tan 2A in terms of tan 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

Use the expansion of (x + y) n (recall the comment in Section 2.6 on p. 67) to verify that the binomial probabilities sum to 1; that is, EOp(1- p)* = 1. ||
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Use the expansion of tan (A + B) to express tan 2A in terms of tan A.

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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