DISCUSS: Sinusoidal Curves The graph of y sin x is thesame as the graph of y cos x
Chapter 5, Problem 90(choose chapter or problem)
DISCUSS: Sinusoidal Curves The graph of y sin x is thesame as the graph of y cos x shifted to the right p/2 units.So the sine curve y sin x is also at the same time a cosinecurve: y cos1x p22 . In fact, any sine curve is also acosine curve with a different horizontal shift, and any cosinecurve is also a sine curve. Sine and cosine curves are collectivelyreferred to as sinusoidal. For the curve whose graph isshown, find all possible ways of expressing it as a sine curvey a sin1x b2 or as a cosine curve y a cos1x b2 .Explain why you think you have found all possible choicesfor a and b in each case.
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