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The main three trigonometric functions are the tangent (tan), sine (sin) and cosine (cos) functions. The tangent, sine and cosine of an angle is defined in terms of the ratios of the length of sides of a ...

In normal levels serotonin can have a calming, inhibitory effect on neural firings in the brain. However, in low levels the inhibitory effect of serotonin is removed. This results in individuals being les...

Augustus was the first emperor of Rome and was heavily concerned with securing his own legitimacy and creating a long-lasting legacy for himself. One of the ways in which he did this was by writing himsel...

It is extremely important in philosophy, more so than other subjects, to demonstrate your ability to think critically and analyse arguments. The examiner will be looking for your ability to think, rather ...

Glucose is broken down using oxygen. This releases energy from the bonds of glucose. The products are carbon dioxide and water.