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Integrate cos(4x)sin(x)

The easiest way of approaching this question is to use De Moivre's formula: e^(inx) = cos(nx) + isin(nx) from which it is simple to show that cos(nx) = (e^(inx) + e^(-inx)) / 2 and sin(nx) = (e^(inx))- e^(-i...
KM
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What are the differences between mitosis and meiosis?

Mitosis and meiosis refer to the way cells reproduce. Mitosis sees the cell divide in two, forming two genetically identical diploid cells. The reproduction of cells means mitosis is used by the body for gro...
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Answered by Chris W. • Biology tutor
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What is the difference between left and right wing politics?

The terms left and right wing refer to the political spectrum, usually expressed in terms of a line with the far left at one end, the far right at the other and the centre in the middle. In British politics,...
CW
Answered by Chris W. • Politics tutor
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How do the standards of GCSE and A-level differ?

At GCSE level, competent engagement with the historical background and a decent argument are sufficient to secure a good grade. At A-level, the phrasing and structure of the essay becomes more critical, requ...
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Answered by Chris W. • History tutor
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On Aeneas' shield in Book 8, what images does Virgil use to make Octavian special and to elevate him above the status of combatant in a civil war with Antony? How are Octavian's opponents portrayed?

In Aeneid 8, Virgil describes in detail Aeneas’ shield made by Vulcan, and this ekphrasis - the longest in the poem and clearly modeled on Achilles’ shield in Iliad 18- provides the reader with an extended a...
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Answered by Keita K. • Latin tutor
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