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How should I evaluate a source?

Source evaluation is one of the most daunting aspects of History, almost everyone has struggled with it at one time or another! Here are a list of questions you can ask when analysing a source. 1. What? This...
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Answered by Alice C. • History tutor
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How do I make my essay standout?

Making your essay a brilliant one as opposed to a good one is one of the ways you can assure that your essay gets the extra few marks to take your grade to the next level. Luckily in English Literature there...
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Prove that the derivative of tan(x) is sec^2(x).

Let y = tan(x) Recall the definition of tan(x) as sin(x)/cos(x) Therefore y = sin(x)/cos(x) Use the quotient rule, which states that for y = f(x)/g(x), dy/dx = (f'(x)g(x) - f(x)g'(x))/g 2 (x) with f(x) = sin...
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Answered by Miriam G. • Maths tutor
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Why is Milgram's experiment on obedience considered so unethical?

Despite no real physical harm to the participant nor the confederate, Milgram's 1963 experiment broke the code of conduct in regard to what constitutes an ethical study in a number of ways, and if presented ...
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Answered by Serena S. • Psychology tutor
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What is nucleophilic substitution and how can I draw a mechanism to show this reaction taking place?

A substitution reaction is a displacement reaction. This is when one functional group in one reactant is displaced by another functional group from a second reactant.This is different to an addition reaction...
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Answered by Amber B. • Chemistry tutor
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