C3 Formula Flashcards Does what it says on the tin 3.0 / 5 MathematicsA2/A-levelEdexcel Created by: ImogenCreated on: 08-01-13 22:55 secθ 1/cosθ 1 of 18 cosecθ 1/sinθ 2 of 18 cotθ 1/tanθ 3 of 18 1+〖tan〗^2 θ 〖sec〗^2 θ 4 of 18 1+〖cot〗^2 θ 〖cosec〗^2 θ 5 of 18 sin2A 2sinAcosA 6 of 18 cos2A 〖cos〗^2 A-〖sin〗^2 A ≡ 2〖cos〗^2 A-1 ≡1-2〖sin〗^2 A 7 of 18 tan2A 2tanA/(1-〖tan〗^2 A) 8 of 18 Chain Rule - Example for use with: 〖(x^2-7x)〗^2 dy/dx=dy/du×du/dx 9 of 18 Product Rule - Example for use with: x^2 〖(3x-1)〗^4 dy/dx=u dv/dx+v du/dx 10 of 18 Differential of e^x e^x 11 of 18 Differential of e^(f(x)) dy/dx=f^' (x)e^(f(x)) 12 of 18 Differential of lnx 1/x 13 of 18 Differential of ln[f(x)] (f^' (x))/(f(x)) 14 of 18 Differential of sinx cos x 15 of 18 Differential of sin [f(x)] f'cos〖[f(x)]〗 16 of 18 Differential of cosx -sinx 17 of 18 Differential of cos [f(x)] -f'sin〖[f(x)]〗 18 of 18

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