Find all the solutions, in the interval 0 x 2, to the equation 8 cos

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Find all the solutions, in the interval 0 ≤ x ≤ 2π, to the equation 8 cos2 x + 6 sin x − 6 = 3 giving each solution to one decimal place.

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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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