Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. sin 6° (a) 1 + cos 6° 1 - cos 40 sin 40 (b)

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 25E
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Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula.
sin 6°
(a)
1 + cos 6°
1 - cos 40
sin 40
(b)
Transcribed Image Text:Simplify the expression by using a Double-Angle Formula or a Half-Angle Formula. sin 6° (a) 1 + cos 6° 1 - cos 40 sin 40 (b)
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