Given that sin x = 1/5 where x is acute and that cos (x y) =

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Given that sin x = 1/√5 where x is acute and that cos (x − y) = sin y, show that tan y = √5 + 1/2.

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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 12, 2023 05:15 AM

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Given that sin x = 1/5 where x is acute and that cos (x y) =

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sin x 1 5 9 SO COS X ...View the full answer

Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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