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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Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

ISBN: 9781108407144

1st Edition

Authors: Sue Pemberton, Julian Gilbey

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Question Posted: Mar 10, 2023 06:38 AM

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Express 2 sin 2 x 7 cos 2 x + 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

Cambridge International AS And A Level Mathematics Pure Mathematics 1 Coursebook

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