Show that sin(4) = (cos )(4 sin - 8 sin 3 ).

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Show that sin(4θ) = (cos θ)(4 sin θ - 8 sin³ θ).

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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Question Posted: Mar 09, 2019 08:14 AM

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Show that sin(4) = (cos )(4 sin - 8 sin 3 ).

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sin4 sin2 2 2sin2 co...View the full answer

Precalculus

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