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When factorising isn't working, we can try using the quadratic formula. First, we need our quadratic equation and find a,b and c - the coefficients of x and the constant. Now, we can wri...

x = 30ºcos(30) = √3/2sec(30) = 2/√3 or 2√3/3

Within any population, there is naturally variation between organisms because they all have differences in their genes. The organisms that are best suited to the environment that they live within are most...

When structuring a 30 mark question, prepare for the question to sometimes be split in to two main sections. For example "Explain how aggressive male behaviour is shown in this extract" followed...

There are various literary devices a writer can use in their work. These are usually used to improve the quality of a description and to achieve desired effects. Keep an eye out for writers using these in...