d. Hence solve. cos 20-sin0=-2 for 0 ses360°
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Analytic Trigonometry
Section2.5: Multiple-angle And Product-to-sum Formulas
Problem 1ECP: Solve cos2x+cosx=0.
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Transcribed Image Text:d.
Hence solve. cos 20-sin0=-2 for 0 ses360°
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