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