For the following exercises, find the exact value using half-angle formulas. cos (7/8)

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For the following exercises, find the exact value using half-angle formulas.

cos (7π/8)

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Precalculus

ISBN: 9781938168345

1st Edition

Authors: Jay Abramson

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Question Posted: Jun 07, 2022 02:00 AM

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For the following exercises, find the exact value using half-angle formulas. cos (7/8)

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Precalculus

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