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Economic significance: The decision to enter ERM in 1990 was economically detrimental as this occured at a time when the £ was valued too highly compared to the Deutschmark, meaning the exchange rate coul...

There are two main explanations for this trend:

The 'Demand Side' explanation suggests that people are less engaged with politics because of the citizens themselves; in other words it is not the fa...

In order to find turning points, we differentiate the function. Hence we get f'(x)=2x + 4. Setting f'(x)=0 we get x = -2 and inputting this into f(x) we get y = 0 therefore the turning point is (-2,0). To...

Let y = arctan(x). Arctan(x) is difficult to differentiate but I know how to differentiate tan(x) (=sec^2(x)) so take the tan of both sides: tan(y) = x. The next step will be to differentiate both sides. ...

6 sinx cosx + (2 sin 2x)/(cos^2 2x)