Unit FP3: Further Pure Mathematics 3
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FP3.1 - Hyperbolic functions
FP3.1.1Definition of the six hyperbolic
Definition of the six hyperbolic For example, cosh x = 1 (ex + e−x), functions in terms of exponentials.; Graphs and properties of the 1 2 sech x = =. hyperbolic functions. cosh x ex + e−x Students should be able to derive and use simple identities such as cosh2 x − sinh2 x ≡ 1 and cosh2 x + sinh2 x ≡ cosh 2x and to solve equations such as a cosh x + b sinh x = c.
FP3.1.2Inverse hyperbolic functions
Understand inverse hyperbolic functions, their graphs, properties and logarithmic forms, including arsinh x = ln(x + √(1 + x²)).
FP3.2 - Further coordinate systems
FP3.2.1Cartesian and parametric equations
Cartesian and parametric equations Extension of work from FP1. for the ellipse and hyperbola.; Students should be familiar with the equations: x2 y2 + = 1; x = a cos t, y = b sin t. a2 b2 x2 y2 − = 1; x = a sec t, y = b tan t; a2 b2 x = a cosh t, y = b sinh t.
FP3.2.2Focus-directrix properties
The focus-directrix properties of For example, students should know that, for the ellipse, the ellipse and hyperbola, including b2 = a2(1 − e2), the foci are (ae, 0) and (−ae, 0) and the the eccentricity. equations of the directrices are a a x = + and x = −. e e.
FP3.2.3Tangents and normals to these
Tangents and normals to these The condition for y = mx + c to be a tangent to these curves curves. is expected to be known.
FP3.2.4Simple loci problems
Simple loci problems.
FP3.3 - Differentiation
FP3.3.1Differentiation of hyperbolic cosh2x
Differentiation of hyperbolic cosh2x For example, tanh 3x, x sinh2 x,. functions and expressions involving (x +1) them.
FP3.3.2Differentiation of inverse functions,
Differentiation of inverse functions, For example, arcsin x + x (1 – x2), 1 artanh x2. including trigonometric and 2 hyperbolic functions.
FP3.4 - Integration
FP3.4.1Integration of hyperbolic functions
Integration of hyperbolic functions and expressions involving them.
FP3.4.2Integration of inverse trigonometric
Integration of inverse trigonometric ∫ ∫ For example, arsinh x dx, arctan x dx. and hyperbolic functions.
FP3.4.3Integration
Integration using hyperbolic and To include the integrals of trigonometric substitutions. 1 1 1 1,,, (a2 + x2) (a2 − x2) (a2 + x2) (x2 − a2).
FP3.4.4Use of substitution for integrals
Use of substitution for integrals In more complicated cases, substitutions will be given. involving quadratic surds.
FP3.4.5Reduction formulae
Derive and use simple reduction formulae for integrals, including powers of sine.
FP3.4.6The
The calculation of arc length and The equation of the curve may be given in cartesian or the area of a surface of revolution. parametric form.; Equations in polar form will not be set.
FP3.5 - Vectors
FP3.5.1Vector product and scalar triple product
The vector product a × b and the The interpretation of | a × b | as an area and a. b × c as a triple scalar product a. b × c. volume.
FP3.5.2Use of vectors in problems
Use of vectors in problems Students may be required to use equivalent cartesian forms involving points, lines and planes. also.; The equation of a line in the form Applications to include (r − a) × b = 0. (i) distance from a point to a plane, (ii) line of intersection of two planes, (iii) shortest distance between two skew lines.
FP3.5.3Equation of a plane
The equation of a plane in the Students may be required to use equivalent cartesian forms forms also. r.n = p, r = a + sb + tc.
FP3.6 - Further matrix algebra
FP3.6.1Linear transformations of column
Linear transformations of column Extension of work from FP1 to 3 dimensions. vectors in two and three dimensions and their matrix representation.
FP3.6.2Combination of transformations
Combination of transformations.; The transformation represented by AB is the transformation Products of matrices. represented by B followed by the transformation represented by A.
FP3.6.3Transpose of a matrix
Transpose of a matrix.; Use of the relation (AB)T = BTAT.
FP3.6.4Evaluation of 3 × 3 determinants
Evaluation of 3 × 3 determinants.; Singular and non-singular matrices.
FP3.6.5Inverse of 3 × 3 matrices
Inverse of 3 × 3 matrices.; Use of the relation (AB)−1 = B−1A−1.
FP3.6.6Inverse transformations and combinations
The inverse (when it exists) of a given transformation or combination of transformations.
FP3.6.7Eigenvalues and eigenvectors
Eigenvalues and eigenvectors of Normalised vectors may be required. 2 × 2 and 3 × 3 matrices.
FP3.6.8Reduction of symmetric matrices
Reduction of symmetric matrices to Students should be able to find an orthogonal matrix P such diagonal form. that PTAP is diagonal.