Prove that 1+cos 4 xsin 4 x 2 cos 2 x.

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Prove that 1 + cos⁴x − sin⁴x ≡ 2 cos²x.

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Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

ISBN: 9781292183398

1st Edition

Authors: Greg Attwood

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Question Posted: Jul 15, 2023 03:41 AM

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Prove that 1+cos 4 xsin 4 x 2 cos 2 x.

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To prove the equation 1 cos4x sin4x 2 cos2x well start with th...View the full answer

Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

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