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Finding stationary points. You can find stationary points on a curve by differentiating the equation of the curve and finding the points at which the gradient function is equal to 0. One way of determining a...

Both the sine and the consine rule applies to any triangle, you do not necessary need a right angle! You can usually use the cosine rule when you are given two sides and the included angle (SAS) or when you ...

Using integration by parts: split xcos(x) into x multiplied by cos(x). Differentiating x gives 1 and integrating cos(x) gives sin(x). The integral of xcos(x) can therefore be rewritten as xsin(x) - integral ...

In theory, a monopoly is a situation in which the ‘industry is the firm’ however in reality in the UK we consider anything which controls 25% or more of the market to have monopoly power and the Competition ...

Income can be defined as a flow of factor incomes, such as earnings, dividends and rent. Alternatively, wealth is a stock of financial and real assets including savings, deposits and property. Inequalities i...