Given that sin x cos y = 1/2 and cos x sin y = 1/3, a. Show

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Given that sin x cos y = 1/2 and cos x sin y = 1/3,

a. Show that sin (x + y) = 5 sin (x − y). Given also that tan y = k, express in terms of k:
b. tan x
c. tan 2x

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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 05:22 AM

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Given that sin x cos y = 1/2 and cos x sin y = 1/3, a. Show

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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