The sine function is an odd function, so sin(-2x) = -2 sin x cos x.

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Algebra and Trigonometry

ISBN: 978-1337271172

10th edition

Authors: Ron Larson

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Question Posted: Feb 14, 2018 03:22 AM

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The sine function is an odd function, so sin(-2x) = -2 sin x cos x.

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Algebra and Trigonometry

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