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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...

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 ...

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 pr...

The success of the Arab Conquests can be easily broken down into two factors: the strengths of Islam and the weaknesses of their enemies. This can be seen in the worn down attitudes of the Byzantine and S...

Newton’s law of gravitation states that the force of attraction between two objects due to their masses is proportional to the product of the two objects and inversely proportional to the distance between...