Establish the identity. 4 sin 2 + 2 cos 2 = 4 - 2cos 2

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Establish the identity.

4 sin²θ + 2 cos²θ = 4 - 2cos²θ

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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Question Posted: Mar 09, 2019 09:00 AM

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Establish the identity. 4 sin 2 + 2 cos 2 = 4 - 2cos 2

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Precalculus

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