Show that sin 4 cos 4 = 3/128 1/32 cos(4) + 128 cos(8).

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Show that sin⁴θ cos⁴θ = 3/128 − 1/32 cos(4θ) + 128 cos(8θ).

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Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry

ISBN: 9780137945139

5th Edition

Authors: Michael Sullivan

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Question Posted: Jul 20, 2023 02:04 PM

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Show that sin 4 cos 4 = 3/128 1/32 cos(4) + 128 cos(8).

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To prove the given equation we are using the double angle formulas for sine ...View the full answer

Precalculus Concepts Through Functions A Unit Circle Approach To Trigonometry

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