a. Given that 3 sin (x y) sin (x + y) = 0, show that

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a. Given that 3 sin (x − y) − sin (x + y) = 0, show that tan x = 2 tan y.

b. Solve 3 sin (x − 45°) − sin (x + 45°) = 0, for 0 ≤ x ≤ 360°.

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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 11, 2023 07:12 AM

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a. Given that 3 sin (x y) sin (x + y) = 0, show that

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a To show that tan x 2 tan y from the given equation 3 sin x y sin x y 0 well use the trigonometric ...View the full answer

Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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