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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...

As this question is worth 6 marks, 6 different points need to be made to get all the marks. These could be two from each structure that is given. The teeth in the mouth break down food into smaller pieces...

The Byronic hero is an idealised but flawed character exemplified in the life and writings of Lord Byron, characterised by his ex-lover Lady Caroline Lamb as being "mad, bad, and dangerous to know&qu...