the expression Rcos(x−α) and note that cos(x−α) can be expanded using an addition formula. Rcos(x −α) = R(cosxcosα +sinxsinα) = Rcosxcosα +Rsinxsinα Trigonometric eq
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the expression Rcos(x−α) and note that cos(x−α) can be expanded using an addition formula. Rcos(x −α) = R(cosxcosα +sinxsinα) = Rcosxcosα +Rsinxsinα Trigonometric eq