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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...

Programme music communicates a narrative or non-musical idea. It is instrumental music but it can be in various forms, such as concert overtures, symphonies, chamber music, concertos etc. Programme music ...