HOW DO YOU SEE IT Explain how to use the figure to verify the double-angle formulas (a)
Chapter 5, Problem 76(choose chapter or problem)
HOW DO YOU SEE IT? Explain how to use the figure to verify the double-angle formulas (a) and (b) x 1 1 y u 2u y = sin x y = cos x cos 2u _ cos2 u _ sin2 u.
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