Trig Double Angle Formulae 0.0 / 5 ? MathematicsTrigonometry and radiansA2/A-levelOCR Created by: Former MemberCreated on: 19-01-15 14:03 Sin(2A) 2Sin(A)Cos(A) 1 of 5 tan(2A) 2tan(A)/1-tan^2(A) 2 of 5 Cos(2A) (1) Cos^2(A) - Sin^2(A) 3 of 5 Cos(2A) (2) 2Cos^2(A) - 1 4 of 5 Cos(2A) (3) 1 - 2Sin^2(A) 5 of 5
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