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First, I would outline the political causes of the Norman Conquest; that Edward the Confessor died with no direct male heir and so multiple claimants arose to contest the succession. These included the gr...

When tackling a question which asks you why a historical process or event occurred, the first thing to remember is that any answer you give must approach the question from a variety of different angles; n...

whenever you move a term across the equals sign, the sign changes. So first we are going to move all of the x terms onto the left side and all of the number terms onto the right side, remembering that if ...

While the introduction and the main body of an essay are obviously very important to gaining a good mark, the most integral aspect of essay writing is the conclusion. A paragraph at the very end of an ess...

Make use of identity sech^2(x) = tan^2(x) + 1

=> 2{tan^2(x) + 1} = 3 + tan(x)

Multiply out brackets and rearrange

=> 2tan^2(x) - tan(x) - 1 = 0

Use quadratic formula w...