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How do I integrate cos^2(x)?

The key to solving any integral of this form is to use the cosine rule:

cos(2x) = cos2(x) - sin2(x) = 2cos2

DF
Answered by Daniel F. • Maths tutor
39373 Views

How can I revise for my English literature exam?

This question is probably the most asked question from...

JH
7403 Views

How do I write a good essay plan?

Before starting any research or secondary reading, it is important to establish your line of argument because this will help to direct your essay and make sure you answer the question.

A good ...

JM
5349 Views

How does the structure of the red blood cell allow it to carry out its functions?

The main function of the red blood cell is transport oxygen around the body to other cells. It contains haemaglobin which allows the binding of oxygen. Its biconcave shape maximises the surface area t...

NI
Answered by Narumi I. • Biology tutor
83322 Views

How do I differentiate y=x^x?

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