a. Sketch on separate axes, in the interval 0 360, the graphs of y

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a. Sketch on separate axes, in the interval 0 ≤ θ ≤ 360°, the graphs of y = tan θ and y = cot(θ + 90°).

b. Hence, state a relationship between tan θ and cot(θ + 90°).

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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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