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All Posts (Archives):

• How to prove that sin(A-B)=sin(A)cos(B)-cos(A)sin(B) geometrically September 29, 2016
• sin(0°) to sin(90°), cos(0°) to cos(90°) and tan(0°) to tan(90°) derivations. 15° steps. September 23, 2017
• Completing the Square: Two Geometrical Proofs September 20, 2017
• More ways in which to express the golden ratio September 19, 2017
• Another way to express the golden ratio mathematically September 17, 2017
• How to find a neat version of y when you have the equation of an ellipse August 30, 2017
• Useful trigonometric formulas for finding areas of circles August 30, 2017
• If a/b=c/d, then a/b=(a+c)/(b+d) mathematical proof August 5, 2017
• Deriving the formula for an ellipse July 30, 2017
• Finding the formulas for areas of triangles July 29, 2017
• Coded Data Proofs: Mean & Standard Deviation, y=x/k + C July 27, 2017
• Coded Data Proofs: Mean & Standard Deviation, y=kx+C July 27, 2017
• Coded Data Proofs: Mean & Standard Deviation, y=x/k July 27, 2017
• Coded Data Proofs, Mean & Standard Deviation: y=kx July 27, 2017
• Further Pure Maths: Complex Number Proof (1) July 26, 2017
• How to derive the formula for the area of an equilateral triangle February 13, 2017
• Proof: Thales’ Theorem February 13, 2017
• How to prove that the two angles below the apex of an isosceles triangle are equivalent February 12, 2017
• Proof: Opposite angles formed when two lines intersect, are equal to one another February 12, 2017
• How to quickly double the area of a square (simple geometry lesson) February 6, 2017
• How to derive the formula for a circle from scratch January 21, 2017
• Derive the formula to find areas underneath curves October 9, 2016
• Properties of C squared, Pythagorean Theorem September 27, 2016
• 2 ways to derive Pythagoras’ equation from scratch September 27, 2016
• How to add up all the even numbers from 0 onwards quickly September 16, 2016
• How to add up odd numbers from 0 upwards September 16, 2016
• Solving The Student Handshake Problem September 13, 2016
• The quickest Sine Rule proof September 6, 2016
• How to derive Euler’s Identity using the Maclaurin Series August 11, 2016
• Deriving the Taylor Series from scratch August 10, 2016
• Latest Mathematics Proofs: August 2016 August 3, 2016
• Hannah Sweets Maths Problem – Edexcel (June 2015) March 8, 2016
• Multiplying Even and Odd Numbers February 13, 2016
• Binomial Expansions on Python February 11, 2016
• Mathematical Art Work, including Isometric Drawings (Visualising Maths) December 29, 2015
• THE IRRATIONAL NUMBER VALUE INDEX November 2, 2015
• 1.618 as a continued fraction September 17, 2015
• How to find the square root of 2 using simple algebraic rules September 17, 2015
• How To Add Latex Formulas, Equations and Expressions To Your Maths Answers On Brainly.com (For Google Chrome Users Only) August 22, 2015
• How to differentiate y=arccosx August 17, 2015
• How to differentiate y=arcsinx August 17, 2015
• How to differentiate y=arctanx August 17, 2015
• Video Updates: 01.07.2015 July 1, 2015
• Cosine Rule Mastery – PDF Download June 23, 2015
• Maths Videos For Web News… June 19, 2015
• Free A Level Mathematics Proofs May 10, 2015
• Logarithmic Proof (23/03/2015) March 23, 2015
• Experiments With Surds & Exponentials… March 6, 2015
• Surd Problem… March 6, 2015
• New Logarithmic Proof – Quicker Version March 6, 2015
• More Trig Shortcuts March 4, 2015
• Sine Rule Derivation In Record Time… March 4, 2015
• Logarithmic Differentiation As Seen In Video… March 1, 2015
• Derivative – 27/02/15 February 27, 2015
• Anti-Derivative Proof – 27/02/15 February 27, 2015
• Basic Logic Tables February 25, 2015
• More Mathematical Logic February 19, 2015
• Messing Around With Exponentials February 18, 2015
• Measuring the time it takes for the Sun’s light to reach us… February 8, 2015
• Integration Problem – Finding the area of quarter of a circle by integrating… February 5, 2015
• Golden Ratio Proof January 31, 2015
• Change The Denominator Into A Whole Number – Challenge January 20, 2015
• Proving That Two Different Variance Formulas Are Equal To One Another January 20, 2015
• Division Problem Transformed Into Multiplication Problem January 5, 2015
• Implicit Differentiation At Work January 5, 2015
• tan(A+B) and tan(A-B) proofs… January 5, 2015
• Integration Proof (2), 01.01.15 January 1, 2015
• Integration Proof 01.01.15 January 1, 2015
• Integration Proof (1) December 31, 2014
• If y=a^x, dy/dx=a^xlna Proof (2) December 31, 2014
• If y=lnx, dy/dx=1/x, alternative proof December 30, 2014
• Implicit Differentiation Rules December 30, 2014
• If y=ln(f(x)), dy/dx=(f'(x))/f(x) December 30, 2014
• Vector Magnitude Proof December 30, 2014
• Vector Proof – Angle Between Two Vectors December 30, 2014
• If y=cotx, dy/dx=-(cosecx)^2 December 28, 2014
• If y=secx, dy/dx=secxtanx December 28, 2014
• If y=tanx, dy/dx=(secx)^2 December 28, 2014
• Vector Proof (1) December 28, 2014
• Cosine Rule Transformation December 27, 2014
• Sine Rule Derivation December 27, 2014
• Trigonometric Proofs December 27, 2014
• Function Rules December 27, 2014
• Completing The Square (Why It Works) December 27, 2014
• Obtaining The Mean From Two Sets Of Data December 26, 2014
• How To Deal With Fractions December 26, 2014
• Tough Logarithmic Problem… December 25, 2014
• If y=e^(f(x)), dy/dx=f'(x)e^(f(x)) December 25, 2014
• If y=e^x, dy/dx=e^x December 25, 2014
• December 25, 2014
• If y=a^x, dy/dx=a^xlna proof December 25, 2014
• If y=lnx, dy/dx=1/x proof December 25, 2014
• Real Mathematical Proofs & Philosophical Videos December 25, 2014
• Logarithmic Proof (4) December 25, 2014
• Logarithmic Proof (3) December 25, 2014
• Logarithmic Proof (2) December 25, 2014
• Logarithmic Proof (1) December 25, 2014
• How To Expand (a+b+c)(d+e+f)(g+h+i) July 14, 2014
• Even And Odd Functions July 12, 2014
• Mathematical Programming (Manipulation) Tips July 9, 2014
• How To Multiply Surds Contained within Fractions July 9, 2014
• How To Multiply Surds July 9, 2014
• Derivative of y=cotx July 7, 2014
• tan(A-B)=(tanA-tanB)/(1+tanAtanB) July 7, 2014
• How To Derive The Quadratic Formula July 7, 2014
• Quick Way To Derive The Integration By Parts Formula July 7, 2014
• Derivate Of y=cosx Proof July 7, 2014
• sin(A-B)=sinAcosB-cosAsinB July 7, 2014
• tan(A+B)=(tanA+tanB)/(1-tanAtanB) July 7, 2014
• Tricky Edexcel C4 Examination Question Solved (January 2008) Paper June 10, 2014
• Coming Up With The Formula For Areas Underneath Curves June 8, 2014
• Proving The Product Rule June 8, 2014
• Proving The Quotient Rule… June 8, 2014
• Tricky Integration Problem May 28, 2014
• Tricky Logarithm Problem… May 26, 2014
• Differentiation Basics May 23, 2014
• Ordinary Graph Transformations: May 23, 2014
• If f(x)=sinx, f'(x)=cosx Proof May 23, 2014
• (a+b)(a-b)=a^2-b^2 (The Real Proof) (Difference Of Two Squares Demystified) May 19, 2014
• How To Come Up With The Quadratic Formula – From Scratch May 16, 2014
• Simple But Elegant Way To Prove That sin(A+B)=sinAcosB+cosAsinB (Edexcel Proof Simplified) May 16, 2014
• How To Come Up With Pythagoras’ Equation May 16, 2014
• Trapezium Rule Formula – Derivation May 16, 2014
• FREE MATHS VIDEOS – FOR A LEVEL & GCSE STUDENTS May 10, 2014
• Areas Of Triangles & The Sine Rule May 10, 2014
• ArcSin, ArcCos & ArcTan May 10, 2014
• Find The Formula For The Volume Of Cones May 10, 2014