This book has thorough notes on everything in modules C3, C4, S2 and M2. To do well, you’re going to need to revise properly and practise hard. Mathematics A2 Maths is seriously tricky - no question about that. # (x − μ)2 f(x) dx = # x2 f(x) dx − μ2 For a function g(X) : E(g(X)) = # g(x) f(x) dx x Cumulative distribution function: F(x0) = P(X ≤ x0) = # f (t) dtĪnd of course, our books are available from all good booksellers, including: To find out more (or place an order with fantastic next-day delivery), just visit our website or give our friendly team a call:Ĭontinuous distributions For a continuous random variable X having probability density function f: Statistics S2 Discrete distributions Standard discrete distributions: Sector of circle, radius r, angle at centre 2a: 2r sin a from centre 3a Sin A – sin B ∫ 2cos A + B sin A - B 2 2 cos A + cos B ∫ 2cos A + B cos A - B 2 2Ĭircular arc, radius r, angle at centre 2a: r sin a from centre aĬos A – cos B ∫ –2sin A + B sin A - B 2 2 Trigonometric identities sin (A ± B) ∫ sin A cos B ± cos A sin BĬos (A ± B) ∫ cos A cos B " sin A sin B tan A ! tan B tan (A ± B) ∫ (A ± B ≠ (k + 21)p) 1 " tan A tan B sin A + sin B ∫ 2sin A + B cos A - B 2 2Ĭentres of mass For uniform bodies: Triangular lamina: 2 3 along median from vertex We've got loads of other brilliant books that might just save your life. CGP A2-Level Mathematics Edexcel Complete Revision & PracticeĬAUTION: This book contains more stuff than you can shake a stick atįl^ x h g ^ x h - f ^ x h gl^ x h ^ g ^ x hh2
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