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Integrate sin^2(x)

sin^2(x) is not one of the functions whose antiderivative is commonly known to us. When we see trigonometric functions our best bet is usually to think of some trigonometric identity we know. In this case we...
JP
Answered by John P. • Maths tutor
38600 Views

Writers of fiction do not always relate events in chronological order. In at least two works you have studied, explore the effects of telling the story in a non-chronological manner.

Students should demonstrate deep knowledge of the two or three works that they have chosen to compare. They should also respond to the question in a thoughtful manner, recognising the implications of the que...
AR
Answered by Alex R. • English tutor
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Which sugar is broken down to produce energy and lactic acid in the absence of oxygen?

Glucose is broken down to produce high intensity energy but in this process lactic acid is produced.
KA
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Describe how emission spectra are formed and how they can be used to identify the elemental composition of a star.

Electrons are bound to a nucleus in quantised energy levels. As they gain and lose energy they transition between this energy levels by emitting photons. Emitted photons have energies equal to the change in ...
GP
Answered by George P. • Physics tutor
3143 Views

Consider Donald Trump chooses to raise import tariffs on Chinese Goods, what will be the impact on the US macroeconomic environment?

Firstly, it would be useful to look at some key definitions. An import tariff is a fee paid to bring goods from abroad into a country and be sold. Therefore, a rise in Chinese import tariffs raises the price...
HW
Answered by Hugh W. • Economics tutor
2468 Views