O TRIGONOMETRIC IDENTITIES AND EQUATIONS Double-angle identities: Problem type 1 3 Find sin 2x, cos 2x,...

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ga - Given that Sinu= 3 vio then Cosx = 1 - slur 9. To I TO Cosa NOVO, Sinax = 2 sene Cosx at-3 Х to Vio 10 & 3 los - 3 Cosan

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