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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Related Book For
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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