a Given that sin 2 cos 2 1, show that 2 sin (cos sin ) 0 b Hence, or otherwise, solve the equation sin 2 cos 2 1 for 0 360 ...

a We are given the equation sin 2 cos 2 1 and want to show that 2 sin cos sin 0 Lets start with the ...

a. Given that sin 2 + cos 2 = 1, show that 2 sin (cos

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a. Given that sin 2θ + cos 2θ = 1, show that 2 sin θ (cos θ − sin θ) = 0.

b. Hence, or otherwise, solve the equation sin 2θ + cos 2θ = 1 for 0 ≤ θ < 360°.

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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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Question Posted: Aug 11, 2023 07:12 AM

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a. Given that sin 2 + cos 2 = 1, show that 2 sin (cos

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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