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This is a common question in C4 and the trick used to solve it is often used in sub-sections to full questions.

To solve it, we must simplify the expression in terms of cos(2x) using two trigonomet...

Dylan Thomas’s poem is concerned with the rush of emotions his speaker encounters upon the realisation of his father’s imminent death. Indeed, it is from this liminal space – between life and death – that...

Politics since 1997 have been first dominated by the Labour govenment (97-2010), as well as the Coalition government (2010-15). The last two years have seen a majority Conservative govenment. In this time...

First we draw a picture, to visually see what the question is asking. A simple set of coordinate-axes and notches so we can accurately put our point P and Q, though being accurate isn't important it will ...