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I saw the value of nurses during my placement in the cardiology ward. Whilst the doctors could only spend so much time with the patient, the nurses were free to interact with the patient and were in a bet...

There are four heart valves in total. The triscuspid valve is between the right atrium and ventricle. The bicuspid valve is between the left atrium and ventricle. These are the atrioventricular valves and...

the remainder theorem helps us find the reminder when a polynomial of degree n f(x)=a_nxⁿ+a_n-1x^n-1+.....+a₂x²+a₁x¹+a...

Firstly lets rearrange the equation to get rid of cos^2(x) to make it easier to solve by using the identity sin^2(x)+cos^2(x) = 1. Then we get 2sin^2(x) - 4sin(x) + 1 - sin^2(x) + 2 = sin^2(x) - 4sin(x) +...

In the wake of the destruction of WWII, Germany underwent a remarkable period of economic growth known as the 'Economic Miracle': annual GDP growth averaged 6% from 1950-70, and unemployment shrunk from a...