Given that cos y = sin (x + y), show that tan y = sec x
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Given that cos y = sin (x + y), show that tan y = sec x − tan x.
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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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