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Writing an introduction and conclusion for an English Literature essay can often be the most difficult process as choosing which information to include whilst not giving away to much about your essay can ...

This question is split up into two parts.
Firstly recall the trigonometric identities you know, the trick here is to eliminate one of the squared terms. Using 4sin^2(x) +4cos^2(x) = 4, the cos term i...

Bonds in a molecule BREAK when that molecule is reacted with another molecule. They then MAKE another bond.This bond can be between molecules or can just be part of the new molecule.There are many types o...

First cancel down the fractions to make the numbers as small as possible, then make all fractions have the same denominator. 12/30 becomes 2/5. 14/20 becomes 7/10. So the new fractions are 4/5 3/8 2/5 and...

The rule for differentiating a simple equation such as this is, to times the coefficient by the power and the take one away from the power. Therefore, lets look at 5x^4 you would times the 5 by 4 to get 2...