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Maths
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How do I integrate sin^2(x)?

First, remember the compound angle formula for cosine:

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CD
6046 Views

Factorize 9x+3xy-9zyx

=3x(3+y+3zy)

NC
Answered by Nicholas C. Maths tutor
3571 Views

How do I integrate a Fraction ?

There are two types of fraction integrals you might come across. Fractions where the denominator is factorisable and fractions where it is not. So first try an...

PG
Answered by Patrick G. Maths tutor
50345 Views

What is the sum of the first n terms of a geometric sequence and where does it come from?

Recall that a geometric progression is a sequence (a_n) defined ...

KN
Answered by Kamil N. Maths tutor
5288 Views

What is the 'chain rule'?

The chain rule is incredibly useful when differentiating compositions of funcions. 

 

Until now you have really only met dy/dx as your derivative. By imagining dy/dx as a fraction, you...

JA
Answered by James A. Maths tutor
4836 Views

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