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sin(2x)

The imperfect tense should be used when translating "while I was walking", followed by the preterit when "my mother rang me".The imperfect is used to give context prior to completed ac...

With functions of functions you work from the inside out, so you substitute the function f(x) for the x in g(x). We know that f(x)=x²+1 and g(x)=2x+4. In this question you therefore replace the...

Despite being on of Shakespeare's comedies, A Midsummer Night's Dream (AMND) is a play set in the fallout of the Athenian-Amazonian war, and the farces that drive the comedic plots const...

The student will draw a picture of a plane with an arrow for weight acting downwards, an arrow for lift acting normal to the wings upwards and an arrow inwards for the central force that a rotating object...