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Differentiate y=(3+sin(2x))/(2+cos(2x))

dy/dx = (4cos(2x) + 6sin(2x) + 2)/(2+cos(2x)) 2
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Answered by Matthew B. • Maths tutor
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What is homeostasis? Can you use a couple of examples to explain the difference between positive vs negative feedback?

DEFINITION Homeostasis = the maintenance of a constant internal environment Every process in the body that occurs in everyday life, such as keeping the heart beating, changing from sleep to wakefullness, tal...
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Answered by Jasmine T. • Biology tutor
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Describe how the three branches of government in the UK are run.

In the United Kingdom, the three branches of government are the executive, the legislature and the judiciary. The executive is the central government, made up of the Prime Minister and their cabinet. The leg...
JW
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What is the fundamental difference between marxism and functionalism?

Each theory takes a different method of understanding how society functions. Marxism is a conflict theory while Functionalism is a consensus theory, meaning that the two believe that the institutions within ...
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Answered by Nancy C. • Sociology tutor
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Use the chain rule to show that, if y = sec(x), then dy/dx = sec(x)tan(x).

First, write y in terms of cos(x). We are familiar with cos(x) and know how to differentiate it. We know that sec(x) = 1/cos(x) = (cos(x)) -1 . Next, find dy/dx in terms of cos(x) and sin(x). Again, we are f...
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Answered by Noah L. • Maths tutor
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