Find the possible values of sin when cos 2 = 23/25.
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Find the possible values of sin θ when cos 2θ = 23/25.
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We know the trigonometric identity cos2 2cos 1 Given that co...View the full answer
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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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