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How do I write a conclusion in a timed essay that will be time effective and achieve top marks?

A conclusion is a summary of the key arguments that have been presented throughout the essay. It is the last part of your essay that an examiner will read and so it's vital to conlude and answer the question...
IJ
Answered by Isabel J. • English tutor
2893 Views

Show that: [sin(2a)] / [1+cos(2a)] = tan(a)

We start by expanding out the double trigonometric terms (sin(2a)) using the double angle formula, giving us: [2sin(a)cos(a)] / [1+cos^2(a) - sin^2(a)]. Next we spot that on the denominator (bottom half of f...
GH
Answered by George H. • Maths tutor
10246 Views

Why doesn't chlorine form hydrogen bonds even though it is more electronegative than nitrogen?

Chlorine has a higher electronegativity, but as it has a large atomic radius the electron density is spread out over a large area. This means that the electron density is too low to form proper hydrogen bond...
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Answered by Callum L. • Chemistry tutor
20474 Views

What does it mean when I get a negative value when I do a definite integral?

The definite integral gives the value of the area bounded between the curve at the given limits, and the x-axis (if we are integrating with respect to x!) If this value is negative, it means that the area un...
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Answered by Callum L. • Maths tutor
17899 Views

How can I discuss the structure of a poem?

Structure says a lot about the poets intentions of the poem, and how they wished the poem to be read. Short, sharp lines, with long continuous stanzas suggest a pace to the poem. Whereas longer lines, with l...
JW
20387 Views