a. Given cot + 2 = cosec , show that 2 sin + cos

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a. Given cot θ + 2 = cosec θ, show that 2 sin θ + cos θ = 1.

b. Solve cot θ + 2 = cosec θ 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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