Core 3

Descripción

Mapa Mental sobre Core 3, creado por abbeycropper el 16/04/2014.
abbeycropper
Mapa Mental por abbeycropper, actualizado hace más de 1 año
abbeycropper
Creado por abbeycropper hace más de 10 años
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Resumen del Recurso

Core 3
  1. Algebraic Fractions
    1. Long division
      1. The remainder theorem
      2. Functions
        1. The domain is the set on which the rule acts
          1. The range is the set of results obtained by applying the rule
            1. A function cannot be one to many
              1. Composite functions
                1. g(f(x)) = f first, then g
                2. Inverse Functions
                  1. A function only as an inverse if it is a one to one
                    1. The domain of the original equation is the range of the inverse and vice versa
                      1. From an equation: 1) swap x's and y's 2) make y the subject
                        1. From a graph: Reflect it in the line y=x
                      2. Exponential and Log Functions
                        1. lnx is the inverse of eˣ
                          1. ln(eˣ) = x
                            1. If y=eˣ then dy/dx = eˣ
                            2. Numerical Methods
                              1. There is a change of sign in the interval [a,b], therefore a root lies between a and b
                              2. Transforming Graphs of Functions
                                1. The Modulus Function |a|
                                  1. If y=|f(x)| draw the original graph and anything below the x axis is reflected in the x axis
                                    1. If y=f|(x)| draw the positive half of the graph and reflect it in the y axis
                                    2. f(x) +a - vertical up a units
                                      1. f(x+a) - horizontal left a units
                                        1. af(x) - stretch in y axis/multiply y co-ords by a
                                          1. f(ax) - stretch in x axis/multiply x co-ords by 1/a
                                            1. -f(x) - reflection in x axis
                                              1. f(-x) - reflection in y axis
                                              2. Differentiation
                                                1. The Product Rule
                                                  1. If y=UV then dy/dx = Udv/dx + Vdu/dx
                                                  2. The Quotient Rule
                                                    1. If y=u/v then dy/dx = Vdu/dx - Udv/dx / v²
                                                    2. If y=eˣ then dy/dx = eˣ
                                                      1. If y=ef(x) then dy/dx = f'(x)ef(x)
                                                        1. If y=lnx then dy/dx = 1/x
                                                          1. Proof: If y=lnx x=eʸ dx/dy = eʸ dy/dx = 1/eʸ dy/dx = 1/x
                                                          2. If y=sinx then dy/dx = cosx
                                                            1. If y=cosx then dy/dx = -sinx
                                                              1. If y=tanx then dy/dx = sec²x
                                                                1. If y=cosecx dy/dx = -cosecxcotx
                                                                  1. If y=secx dy/dx = tanxsecx
                                                                    1. If y=cotx then dy/dx = -cosec²x
                                                                    2. Trigonometry
                                                                      1. secθ = 1/cosθ
                                                                        1. cosecθ = 1/sinθ
                                                                          1. cotθ = 1/tanθ
                                                                            1. cosθ/sinθ = cotθ
                                                                              1. tan²θ + 1 = sec²θ
                                                                                1. sin²θ + cos²θ = 1
                                                                                  1. 1 + cot²θ = cosec²θ
                                                                                    1. Sin(A + B) = SinACosB + CosASinB
                                                                                      1. Sin(A - B) = SinACosB - CosASinB
                                                                                        1. Cos(A + B) = CosACosB - SinASinB
                                                                                          1. Cos(A - B) = CosACosB + SinASinB
                                                                                            1. Tan(A + B) = TanA + TanB/1 - TanATanB
                                                                                              1. Tan (A - B) = TanA - TanB/1 + TanATanB
                                                                                                1. Sin2A = 2SinACosA
                                                                                                  1. Cos2A = 1 - 2Sin²A or Cos2A = 2cos²A - 1
                                                                                                    1. Tan2A = 2TanA/1 - Tan²A
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