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Studying an EPQ (Extended project qualification) is done alongside your A levels during sixth form. It is not compulsary and is completed in your own time. An EPQ will be on a topic of your choice and ...

This question recently appeared in one of the AQA classical civilisation exams and I answered a similar question to this in my 'Roman Republican History: 146 -...

Here we will use:

cot(x) = cos(x)/sin(x)

cosec²(x) = 1 + cot²(x)

Chain rule : dy/dt * dt/ dx = dy/ dx

Product rule : d/dx (...

Firstly, we note that z being a complex number can be expressed in the form z = a + bi. If we then take the complex conjugate of this expression, the real numbers remain the same (as they are their own...

The current account is a section in the Balance of Payments, which shows a country's transactions with goods, services and income. It is made up of four different parts.

1) The balance of...