When is small, find the approximate value of cos 4 sin 4 .

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When θ is small, find the approximate value of cos⁴ θ − sin⁴ θ.

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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 09, 2023 03:34 PM

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When is small, find the approximate value of cos 4 sin 4 .

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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