Question: x Write 4 cos - sin x in the form Rcos(x - a) with -Ta

x Write 4 cos - sin x in the form Rcos(x - a) with -Ta

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1 4 cos z sin z in the form R cosa We can use the doubleangle identity for sine sin 2z 2 sin z cos z Herewe want to isolate cos z sin z cos z sin z 12 ... View full answer

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