Find the value of cos(/2) if tan = 0.2917(90 < < 180).
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Find the value of cos(α/2) if tan α = −0.2917(90° < α < 180°).
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We can use the halfangle identity for cosine to find cos2 in terms of tan cos2 s...View the full answer
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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