Core 4 3.0 / 5 MathematicsallA2/A-levelOCR Created by: EllieCreated on: 15-06-15 21:22 What is the binomial expansion of (1+x)^n? 1+nx+n(n-1)x^2 1 of 12 How do you do partial fractions of 1/(x+3)(x^2-4) A/(X+3)+Bx+c/(x^2-4) 2 of 12 How do you do partial fractions of 1/(x-1)(x+2)^2 A/(x-1)+B/(x+2)+C/(x+2)^2 3 of 12 What does cotx =? cosx/sinx 4 of 12 What does cos^2x=? 1-sin^2x 5 of 12 What does sec^2x =? tan^2x+1 6 of 12 What does cosec^2x =? 1+cot^2x 7 of 12 What does v=? pi times the integral of y^2 8 of 12 What does sin2x =? 2sinxcosx 9 of 12 What does cos2x=? cos^2x-sin^2x or 2cos^2x-1 or 1-2sin^2x 10 of 12 What does tan2x =? 2tanx/ 1-tan^2x 11 of 12 How do you find the angle between two planes? work out the angle between two normals 12 of 12

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