Prove the identity (2 sinA + cosA) 2 1/2 (4sin2 A - 3cos 2A + 5).

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Prove the identity (2 sinA + cosA)²Ξ 1/2 (4sin2 A - 3cos 2A + 5).

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Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook

ISBN: 9781108407199

1st Edition

Authors: Sue Pemberton, Julianne Hughes, Julian Gilbey

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Question Posted: Mar 14, 2023 07:17 AM

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Prove the identity (2 sinA + cosA) 2 1/2 (4sin2 A - 3cos 2A + 5).

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Starting with the lefthand side 2 sinA cosA2 2 sinA2 22 sinAcosA c...View the full answer

Cambridge International AS & A Level Mathematics Pure Mathematics 2 & 3 Coursebook

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