Determine the values of the given functions as indicated. Find cos15 by using 15 = 60
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Determine the values of the given functions as indicated.
Find cos15° by using 15° = 60° − 45°.
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We can use the difference formula for cosine to write cos 15 c...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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