A-Level Edexcel C3 January 2009 Q6(a)(i) : ExamSolutions

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6. (a) (i) By writing 3θ = (2θ + θ), show that

^ Does that mean just mean that we use sin3θ = (2θ + θ) ? Because I was really confused by that question when is stated that! reply!:)

vHamadx