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What is the difference between Functionalism and Marxism?

Functionalism is a consensus perspective, therefore theorists such as Durkheim view society to be based on harmony and all of the societal institutions complementing one and other to contribute to social sol...
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Answered by Lolade A. • Sociology tutor
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Prove the identity: sin^2(x)+cos^2(x) = 1

This is one of the most commonly used A level identities which can be proved using only GCSE maths! Firstly, take an arbitrary right angle triangle with Hypotenuse h, and angle x between h and the adjacent s...
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Answered by Sean O. • Maths tutor
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If the highest frequency a song is 10 kHz and it is encoded at 16 bits per sample what is the minimum number of bytes needed to encode the 3 minute song?

The key to this question is to remember the Nyquist rate of a signal. This is the lowest sample rate which can be used for a signal without losing valid frequencies or gaining incorrect frequencies. This is ...
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Answered by David M. • Physics tutor
6935 Views

Differentiate the function f(x) = x*sin(x)

This function is the product of the two functions 'x' and 'sin(x)'. Therefore we use the product rule, which says that the differential of a product of two functions is the differential of the first multipli...
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Answered by Dylan B. • Maths tutor
6152 Views

How do I find the intersection of a line and a curve?

Say you are given the equations of both a line and a curve, for example y=x 2 +8x-1 and y=3x-7 , and asked to find where these two intersect. This just means where the two lines would cross or touch if drawn...
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Answered by Lauren M. • Maths tutor
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