Post on 04-Jan-2016
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Lesson ObjectiveBe able to use the compound angle formula to solve equations involving sin and cosExtend to using them compound angle formula to find maximas and minimas
1) Consider 5cos x + 12sin x
Write this expression in the form Rcos(x – α)
2) Consider 3sin x + 4cos x
Write this expression in the form Rsin(x + α)
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