Find the exact value of expression. sin 20 cos 80 - cos 20 sin 80

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Find the exact value of expression.

sin 20° cos 80° - cos 20° sin 80°

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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Question Posted: Mar 09, 2019 07:54 AM

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Find the exact value of expression. sin 20 cos 80 - cos 20 sin 80

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sin 20 cos 80 cos 20 sin 80 si...View the full answer

Precalculus

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