a. Express tan (45 + 30) in terms of tan 45 and tan 30. b. Hence show

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a. Express tan (45° + 30°) in terms of tan 45° and tan 30°.

b. Hence show that tan 75° = 2 + √3.

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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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