a. Given that f(x) = cos x, show that b. Hence prove that f'(x) = sin x.
Question:
a. Given that f(x) = cos x, show that
b. Hence prove that f'(x) = −sin x.
Transcribed Image Text:
hosh-1) 1 cosx. h f'(x) = lim sin h h sin x
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Related Book For
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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