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In A-level Psychology the strucure of the essay serves as a major component as to how many marks you will recieve. The key structure is as usual an introduction to give a brief background on the topic of int...

Step 1: Rearrange y = arctan(x) as tan(y) = x. Step 2: Use implicit differentiation to differentiate this with respect to x, which gives us: (dy/dx)*(sec(y))^2 = 1. Step 3: Rearrange this equation to give us...

Sin^2(x) cannot be integrated in its current form so you must use trigonometric identities to change sin^2(x) into something else. Use the formula for cox(2x): cos(2x)=cos(x+x)=cos^2(x)-sin^2(x) Now use that...

Effective use of graphs is almost guaranteed to bring you extra points in the exam. There are a few things to help you use them well.1) Use relevant graphs. There is no point, for example, drawing a Demand a...

When responding to a data-based question, there are a few things to which you need to pay attention:1) When reading the text, highlight the most important point: who is arguing a point, statistics provided, ...