You have seen how to find the exact value of cos /12 by rewriting the expression as
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You could also use the equations sin x sin x or sin x cos2x The sine or cosi...View the full answer
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Related Book For
Discovering Advanced Algebra An Investigative Approach
ISBN: 978-1559539845
1st edition
Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke
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