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On one hand, this system has many advantages. It reduces uncertainty, ensures sensible government policies on inglation, reduces speculation and flunctuations... A reduced exchange rate can increase employme...

A monopololistic market exists when there exists only one supplier of a good or service, but there are many consumers. Some key characteristics of a monopolistic market are price maker, high barriers to entr...

This would be on a non-calculator paper and so it wants an answer in the form 2^n as without a calculator it is too difficult to work out. You can only do this multiplication if you change the 8 into 2^3 as ...

Here you need to use the formula that the differential of e^f(x), where f(x) is any function, is equal to f'(x)e^f(x). So for our function we differentiate xsinx using product rule to give sinx + xcosx. By u...

This question requires you to use the trigonometric identity sin(A+B)=sinAcosB + sinBcosA. The difficulty in this problem is noticing that you need to substitute 2A for A+A and then you can simply put this i...