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Firstly, we must recognise that the equation contains two different trigonometric functions (sec() and tan()) and therefore we must rewrite one of these functions in terms of the other. Therefore we will ...

The analysis should always come first. Generally, the typical essay standard is formatted like this: an introduction, 2-3 main paragraphs and a conclusion. The conclusion must summarise the points being m...

Homeostasis is the maintenance of internal environments within a set narrow range (based around a set point) which is critical for survival. The environment remains relatively stable so reactions can occu...

If asked to give the units of some complicated quantity in more basic units, try to think of a physical equation you know that relates the complicated quantity (i.e. energy, units J) to other quantitie...

Things you will be assessed on:

• Content — AO2 (26 marks [13 marks per essay]) - illustration of in-depth knowledge of topic/text; substantiated and relevant points; coherent and well-integrat...