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To differentiate this function you will need the chain rule - differentiating what's inside the brackets and multiplying it by differentiating what's outside the brackets. In this case sin(2x) goes to 2co...

When we are asked to solve simultaneous equations, what we are being asked to do is find the point where two lines cross. In this case, where we are given two straight lines, there will only be one point ...

One of the ways I did it (and I cannot stress this enough) is to completely immerse yourself in the culture of the language that you are learning. Taking Spanish as an example, you really want to be tunin...

A plasma membrane is composed mainly of an unordered phospholipid bilayer (double layer) embedded with membrane proteins which forms a thin flexible sheet. This gives the...

Fiscal policy is the use of taxation and government spending to achieve macroeconomic objectives. Expansionary fiscal policies such as cuts in income tax will increase the disposable income of consumers, ...