a. Find cos (0.244 rad) correct to 6 decimal places. b. Use the approximation for cos

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a. Find cos (0.244 rad) correct to 6 decimal places.

b. Use the approximation for cos θ to find an approximate value for cos (0.244 rad).

c. Calculate the percentage error in your approximation.

d. Calculate the percentage error in the approximation for cos 0.75 rad.

e. Explain the difference between your answers to parts c and d.

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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 10, 2023 05:05 AM

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a. Find cos (0.244 rad) correct to 6 decimal places. b. Use the approximation for cos

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a 0970379 b 0970232 ...View the full answer

Pearson Edexcel A Level Mathematics Pure Mathematics Year 2

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