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.

## DECIMALS, FRACTIONS & PERCENTAGES VIDEOS

- Decimals, Fractions, Percentages (5% to 100%)
- Why Do We Get Correct Answers When We Multiply Fractions?

**ALGEBRA VIDEOS**

- Adding And Subtracting Positive And Negative Numbers Explained
- Multiplying Positive and Negative Numbers Explained
- Dividing Positive and Negative Numbers Explained
- Multiplying Identical Numbers With Powers…
- The FOIL method simplified – First, Outer, Inner, Last
- (a+b+c)(d+e+f) – Expanded and Explained
- Difference Of Two Squares Explained (x+y)(x-y)
- How To Simplify Annoying Fractions Containing Powers
- Dividing Identical Numbers Containing Powers Explained…
- How To Solve Simultaneous Equations Containing 3 Unknowns – Easy Guide
- How To Solve An Ordinary Simultaneous Equation
- Simple Surd Multiplication
- How To Produce The Quadratic Formula From Scratch
- Multiplying Fractions – Quick Explanation…
- Find The Value Of X When It Becomes An Exponential Power
- How To Simplify Fractions Containing Roots In The Denominator

## CO-ORDINATE GEOMETRY VIDEOS

- What You Need To Know Before You Start Working With Coordinate Axes…
- Create A ‘General Relativity’ Type Mathematical Singularity Using 3D Graphing Software…

**TRIGONOMETRY VIDEOS**

- Finding Angles Within Right Angled Triangles (SOH CAH TOA)
- Pythagoras’s Theorem (Short Explanation)
- How To Come Up With Pythagoras’s Equation From Scratch
- Why Is (sinA)^2 + (cosA)^2 = 1 ?
- A General Proof Of Why Two Opposite Angles Connected To Parallel Lines Are Equal To One Another
- Simple But Elegant Way To Prove That sin(A+B)=sinAcosB+cosAsinB (Edexcel Proof Simplified)
- cos(A+B)=cosAcosB-sinAsinB Explained…
- 2 Important Trigonometric Equations For C3, C4 Exams
- y=arcsinx graph – Related to C3 Mathematics Exams – Edexcel
- y=arccosx graph – Related to C3, C4 Edexcel Exams
- y=arctanx sketch – Related to Edexcel C3 Exams
- How To Come Up with The Cosine Rule From Scratch
- An Alternative Sine Rule Proof – a/sinA = b/sinB = c/sinC
- Formula For The Area Of Triangles Is 1/2absinC – Proof
- Areas Of Triangles Formula Transformed
- Areas Of Triangles Used To Produce Sine Rule
- Proving That Opposite Angles Are The Same in 2 Dimensions…

**CALCULUS VIDEOS**

- Introduction To Gradients (Slopes), And How To Measure Gradients
- Finding Derivatives / Differentiation Explained
- Integration – Reversing The Process Of Differentiation
- Traditional Way Of Finding Areas Underneath Curves From x=b to x=a
- Volumes of Revolution Cracked In Under 15 minutes
- Volumes Of Cones Formula – From Almost Absolute Scratch
- How to Come Up With The Product Rule From Scratch
- How To Come Up With The Quotient Rule
- The Product Rule Deciphered In Under Ten Minutes – What Teachers Never Told You At College…
- Random Equations To Differentiate – (C4 Revision Work)
- Implicit Differentiation Demystified In One Swoop (C4 Examinations)
- Product Rule & Quotient Rule When x=u*v and x=u/v respectively