Trevor Pythagoras

Maths Tutorials, Help and Questions

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Algebra

See the "Levels" page to find out about the difficulty levels of posts

Yet to be assigned difficulty level:

Online Graph Sketchers No comments

Log Laws: Adding and Subtracting Logs No comments

Derive Quadratic Formula 14 comments

Transformations of Graphs No comments

Differentiate Inverse Cos – Proof 6 comments

Hyperbolic Functions No comments

Ellipse's: equation, foci, eccentricity 3 comments

Complex/Imaginary numbers 2 comments

Matrix Multiplication No comments

Factorizing Quadratics No comments

Quadratic Formula 6 comments

Difficulty Level 1 Posts:

• Inequalities No comments
• Why the proof 2=1 is wrong No comments
• Simultaneous Equations No comments
• Why anything to the power 0 is eqaul to 1 2 comments

Difficulty Level 2 Posts:

• Trapezium Method for Approximating the Area Under a Curve No comments
• How to use Surds – Add, Multiply and Rationalise No comments
• Quadratic Inequalties No comments

Difficulty Level 3 Posts:

• Monotonic (Increasing and Decreasing) Functions No comments
• Finding the Inverse of a Function No comments
• Introduction to functions and maps No comments
• Stationary Points (Maximum and Minimums) and Differentiation 1 comment
• Find equation of tangent to a curve No comments
• Exponential Functions No comments
• Cartesian Equation of a Circle No comments

Difficulty Level 4 Posts:

• Taylor Series with example cos(x) 1 comment
• Maclaurin Series with example sin(x) No comments
• Complex Roots of Unity No comments
• Equations using Polar Co-ordinates No comments
• Using Polar Co-ordinates and Converting to and from Cartesian No comments
• Proof by Mathematical Induction 4 comments

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