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Year 12s: what will be the first way you research your future options? >>

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C3 Jan 06 HELP!

C3 Jan 06 HELP!

H.Maleki

Im stuck on the last question of 9)iii
OCR C3 jan 06. I thought you could do 3sin(6X)/sin(2x) to get sin(3x) but thats wrong.

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