In Exercises 1-2, use the power-reducing formulas to rewrite the expression in terms of first powers of

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In Exercises 1-2, use the power-reducing formulas to rewrite the expression in terms of first powers of the cosines of multiple angles.
1. cos4 x
2. sin8 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 03:21 AM

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In Exercises 1-2, use the power-reducing formulas to rewrite the expression in terms of first powers of

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Algebra and Trigonometry

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