Solve the following equations for , in the interval 0 < < 2, giving your answers
Question:
Solve the following equations for θ, in the interval 0 < θ < 2π, giving your answers to 3 significant figures where they are not exact.
a. 4 cos2 θ = 2
b. 3 tan2 θ + tan θ = 0
c. cos2 θ − 2 cos θ = 3
d. 2 sin2 2θ − 5 cos 2θ = −2
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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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