Shortest Distance between a Point & a Line How do I find the shortest distance from a point to a line? The shortest distance from any point to a line will always be the?perpendicular?distance G...
Scalar Product The?scalar?product?is an important link between the algebra of vectors and the trigonometry of vectors. We shall see that the scalar product is somewhat comparable to the operation o...
Coincident & Parallel Lines How do I tell if two lines are parallel? Two lines are parallel if, and only if, their?direction vectors?are?parallel This means the direction vectors will be?scalar...
Equation of a Line in Vector Form How do I find the vector equation of a line? You need to know: The?position vector?of one point on the line A?direction vector?of the line (or the position vector ...
Integrating using Trigonometric Substitutions The integrals covered in this revision note are based on the standard results and These?are?given in the?formulae booklet How do I know when to use a t...
Differentiating Inverse Trig Functions What are the inverse trigonometric functions? arcsin,?arccos?and?arctan?are functions defined as the inverse functions of sine, cosine and tangent respectivel...
Integrating with Partial Fractions What is meant by partial fractions with quadratic denominators? For?linear?denominators the denominator of the original fraction can be factorised such that the d...
Mean Value of a Function What is the mean value of a function? The?mean value of a function?may be thought of as the ‘average’ value of a function over a given interval For a function f(x),?the mea...
Improper Integrals What are improper integrals? An?improper integral?is a definite integral where one or both of the limits is either: Positive or minus infinity A point where the function is undef...
