Solve, in the interval 0 < 360, the following equations. Give your answers to 1

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Solve, in the interval 0 ≤ θ < 360°, the following equations. Give your answers to 1 d.p.

a. 3 cos θ = 2 sin (θ + 60°)

b. sin (θ + 30°) + 2 sin θ = 0

c. cos (θ + 25°) + sin (θ + 65°) = 1

d. cos θ = cos (θ + 60°)

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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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