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First of all, read the question twice. Then, using a highlighter, highlight the key words of the question (one to four terms which are at the core of the question. E.g. " Analyse the success of Alexande...

-Hydraulic action of the water erodes the banks of the river -Small pieces of sediment carried by the river erode the banks via abrasion -River beds and banks are erodes through corrosion caused by dissolved...

The derivative of a function f(x) is a measure of how the function f changes as its variable x changes. You have already met an example of derivatives: the gradient, m , measuring the rate of change of f(x) ...

Sketching trigonometric graphs is all about working from the graphs you already know and seeing how they behave when added/multiplied/substracted from each other to sketch more complicated functions. You wou...

The best way to ensure a clear focus on the question throughout your essays is to plan beforehand. I like to make sure I have written 4-5 points on a scrap of paper, along with a link back to the question fo...