Express 2 sin 2 x 7 cos 2 x + 4 in terms of sinx.
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Express 2 sin2x − 7 cos2x + 4 in terms of sinx.
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We can start by using the trigonometric identity sin2x cos2x 1 Multiplyi...View the full answer
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Related Book For
Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook
ISBN: 9781108407144
1st Edition
Authors: Sue Pemberton, Julian Gilbey
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