Given that sin A = 8/17, where A is acute, and cos B = 4/5, where

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Given that sin A = 8/17, where A is acute, and cos B = − 4/5, where B is obtuse, calculate the exact value of:

a. sin (A − B)

b. cos (A − B)

c. cot (A − B)

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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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Given that sin A = 8/17, where A is acute, and cos B = 4/5, where

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Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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