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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Related Book For
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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