If sin = -4/5, < < 3/2, then cos = ______.

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If sin α = -4/5, π < α < π3/2, then cos α = ______.

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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Question Posted: Mar 09, 2019 07:49 AM

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If sin = -4/5, < < 3/2, then cos = ______.

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Precalculus

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