a Show that d dx (x cos x) cos x x sin x cos 2 x b Hence evaluate 4 COS x x sin x dx 5 cos x...

a To find the derivative of xcosx we can utilize the q ...

a. Show that d/dx (x/cos x) = cos x + x sin x/cos 2 x. b. Hence

Question:

a. Show that d/dx (x/cos x) = cos x + x sin x/cos² x.

b. Hence evaluate.

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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a. Show that d/dx (x/cos x) = cos x + x sin x/cos 2 x. b. Hence

Question:

4 COS x + x sin x dx. 5 cos? x

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a To find the derivative of xcosx we can utilize the q...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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