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Ian McEwan and Tennessee Williams weave the theme destruction into the novels ‘Atonement’ and ‘A Streetcar Named Desire’ by portraying the influence of class and wealth and the injustice it causes. The id...

Differentiate the original equation (y = x^2) to find the gradient (m) of the line which is a tangent to the curve.

Dy/dx = 2x 

Therefore m = 2

Calculate the negative reciprocal (m2) ...

From reading the question, we need to use the addition formula for sin(A+B)= sinAcosB+cosAsinB. So we need to think what are two common values for sine and cosine that we know and have exact answers for t...

The study of philosophy demands a methodical approach. When we break down a problem, we make it manageable and answering the question becomes a less daunting task. The more questions you ask, the more sop...

Equation of a circle  ->  (x-a)² + (y-b)^2 = r²     where the centre = (a,b) and the radius = r

Thus using the equation above we can conclude that the centre is (2,-5)