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Global agreement on actions to reduce greenhouse gas emissions is difficult to achieve due to the negative public perception of certain 'greener alternatives', the price of switching to renewable energy a...

When I am expanding brackets I use the acronym FOIL and simplify. You begin by multiply the first term (F) in each bracket, followed by multiplying the outside terms (O), then the inside terms (I) and fin...

ardy broadly presents desire as a negative, disruptive force within the novel. This disruption emerges firstly from Alec's desire for Tess, which leads to her being raped in the section Maiden no More, as...

cos(2x) = 2cos²(x) - 1 This is the identity. Therefore we can substitute in 2[cos²(x)] to be 2 multiplied by (1/4)².Therefore cos(2x) = 2(1/4)(1/4) - 1 = 2/16 - 1 = 2/16 -...

In essay subjects such as history the way that you structure an essay is just as important as the facts that you know. Focus on understanding what the facts you know show about the society or people you a...