Show that 1 + sin /cos + cos /1 + sin = 2sec .

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Show that 1 + sin θ/cos θ + cos θ/1 + sin θ = 2sec θ.

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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Question Posted: Aug 27, 2021 12:57 AM

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Show that 1 + sin /cos + cos /1 + sin = 2sec .

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We can start by using the identity sec 1cos and the fa...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

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