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Differentiate sin^2(x)

sin(2x)

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Explain the tenses used in the following utterance: "while I was walking, my mother rang me".

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...

Answered by William H. • Spanish tutor

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Find g(f(x)) where g(x)=2x+4 and f(x)=x^2+1.

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...

Answered by Georgina M. • Maths tutor

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How is the theme of violence portrayed in Shakespeare's 'A Midsummer Night's Dream'?

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...

Answered by Jaxon S. • English tutor

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A plane is entering a turn, identify the main forces acting on it (including central forces)

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...

Answered by Daniel G. • Physics tutor

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