Learn why sin(A+B)=sinAcosB+cosAsinB with this elegant proof…

**Like this proof? Why not check out this page…**

How to prove that sin(A-B)=sin(A)cos(B)-cos(A)sin(B) geometrically

Learn why sin(A+B)=sinAcosB+cosAsinB with this elegant proof…

**Like this proof? Why not check out this page…**

How to prove that sin(A-B)=sin(A)cos(B)-cos(A)sin(B) geometrically

Learn how to come up with Pythagoras’ famous formula – from absolute scratch…

To see the full explanation in writing, please visit the link below:

Find out how to come up with the Trapezium Rule formula from scratch.

1) Derive the formula for the area of trapeziums:

2) Use the area of trapeziums formula to come up with the Trapezium Rule formula:

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Welcome to MathsVideos.net. On this website you will find maths videos containing tricks and advice that you can use to pass your maths exams. MathsVideos.net was recently created in January 2014. These videos are produced by a student who is doing his A-Levels in the UK.

Learn how to come up with the formula for areas of triangles, then use this formula to derive the sine rule formula.

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Find the volumes of cones formula using differentiation and integration. This playlist will show you how to come up with the volumes of cones formula from scratch. Knowledge about how to differentiate and integrate required.