a. Show that d/dx(sin x/1 cos x) can be written in the form k/cos x

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a. Show that d/dx(sin x/1 – cos x) can be written in the form k/cos x – 1, and state the value of k.

b. Hence find ʃ 5/cos x -1 dx.

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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(sin x/1 cos x) can be written in the form k/cos x

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a Using the quotient rule we can find the derivati...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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