Канал: Math Stuff

The Parametric Equation of an Ellipse

The Parametric Equation of an Ellipse

The Standard Equation of an Ellipse

The Standard Equation of an Ellipse

Area of Ellipse — Formula Derivation (Proof)

Area of Ellipse — Formula Derivation (Proof)

A Stretched (or Shrunken) Circle is an Ellipse

A Stretched (or Shrunken) Circle is an Ellipse

Optical (Reflective) Property of an Ellipse

Optical (Reflective) Property of an Ellipse

What is Ellipse? — How to Draw It, Focal Points, Definition

What is Ellipse? — How to Draw It, Focal Points, Definition

Pythagorean Theorem — Visual Proof in 10 Seconds

Pythagorean Theorem — Visual Proof in 10 Seconds

A New Website

A New Website

Domain, Codomain and Notation of a Function

Domain, Codomain and Notation of a Function

Introduction to Functions — People in Rooms Example

Introduction to Functions — People in Rooms Example

Equal Perimeters and Areas Problem — Circular Sector with Equal Perimeter and Area as Square

Equal Perimeters and Areas Problem — Circular Sector with Equal Perimeter and Area as Square

Area of Circular Sector (Circle Sector) — Formula Derivation (Proof), Example

Area of Circular Sector (Circle Sector) — Formula Derivation (Proof), Example

Equal Perimeters and Areas Problem — Annulus (Circular Ring) with Equal Perimeter and Area as Square

Equal Perimeters and Areas Problem — Annulus (Circular Ring) with Equal Perimeter and Area as Square

Area of Annulus (Circular Ring) — Two Formulas, Perimeter, Width, Example

Area of Annulus (Circular Ring) — Two Formulas, Perimeter, Width, Example

Area of Circle — Formula Derivation (Proof), Example

Area of Circle — Formula Derivation (Proof), Example

The Last Day of the Decade — December 31, 2020

The Last Day of the Decade — December 31, 2020

Circumradius and Area of Triangle — Find Radius of Circumscribed Circle Using Area and Sides

Circumradius and Area of Triangle — Find Radius of Circumscribed Circle Using Area and Sides

Inradius and Area of Triangle — Find Radius of Inscribed Circle Using Area and Semiperimeter

Inradius and Area of Triangle — Find Radius of Inscribed Circle Using Area and Semiperimeter

The Sum of the First 100 Numbers — Method to Find It (The Sum of the First n Numbers)

The Sum of the First 100 Numbers — Method to Find It (The Sum of the First n Numbers)

Heron’s Formula — Find Area of a Triangle Using Lengths of Its Sides (Example, Formula Derivation)

Heron’s Formula — Find Area of a Triangle Using Lengths of Its Sides (Example, Formula Derivation)

Mutilated Chessboard Problem — Tile Chessboard Without Two Opposite Corners With Dominoes

Mutilated Chessboard Problem — Tile Chessboard Without Two Opposite Corners With Dominoes

Area of a Trapezium (Trapezoid) — Two Ways to Derive the Formula

Area of a Trapezium (Trapezoid) — Two Ways to Derive the Formula

Area of a Triangle — Formula, Smallest Perimeter Problem

Area of a Triangle — Formula, Smallest Perimeter Problem

Products of Sines and Cosines (Product to Sum Formulas)

Products of Sines and Cosines (Product to Sum Formulas)

Area of a Parallelogram — Deriving Formula, Example, Relation Between Sides, Angles and Area

Area of a Parallelogram — Deriving Formula, Example, Relation Between Sides, Angles and Area

Tangent of the Sum of Two Angles

Tangent of the Sum of Two Angles

Area of a Rectangle — Formula, Examples, Potential Problem

Area of a Rectangle — Formula, Examples, Potential Problem

Sine Squared and Cosine Squared of Half Angle (Half Angle Identities)

Sine Squared and Cosine Squared of Half Angle (Half Angle Identities)

What is Area — Properties, Units and a Simple Problem

What is Area — Properties, Units and a Simple Problem

Sine of the Difference and Cosine of the Sum of Two Angles

Sine of the Difference and Cosine of the Sum of Two Angles

Divisibility Rule for 11

Divisibility Rule for 11

Cosine of the Difference of Two Angles

Cosine of the Difference of Two Angles

Divisibility Rules for 3 and 9

Divisibility Rules for 3 and 9

Sine of the Sum of Two Angles

Sine of the Sum of Two Angles

Divisibility Rules for 2, 4, 5 and 25

Divisibility Rules for 2, 4, 5 and 25

Tangent on the Unit Circle

Tangent on the Unit Circle

Divisibility Rules for 10 and 100

Divisibility Rules for 10 and 100

Sine and Cosine of a Negative Angle

Sine and Cosine of a Negative Angle

The Order of Operations

The Order of Operations

The Unit Circle

The Unit Circle

Why Division isn't an Operation on the Set of Natural Numbers

Why Division isn't an Operation on the Set of Natural Numbers

Sine and Cosine of 15 Degrees

Sine and Cosine of 15 Degrees

Distributive Property - Multiplication and Addition on the Set of Natural Numbers

Distributive Property - Multiplication and Addition on the Set of Natural Numbers

Sine and Cosine of 30 Degrees

Sine and Cosine of 30 Degrees

Multiplying 3 Natural Numbers - Associative Property

Multiplying 3 Natural Numbers - Associative Property

Sine and Cosine of 45 Degrees

Sine and Cosine of 45 Degrees

How to Visualize Multiplication of Natural Numbers

How to Visualize Multiplication of Natural Numbers

Tangent and Cotangent of an Acute Angle

Tangent and Cotangent of an Acute Angle

Why Subtraction isn't an Operation on the Set of Natural Numbers

Why Subtraction isn't an Operation on the Set of Natural Numbers

Pythagorean Trigonometric Identity

Pythagorean Trigonometric Identity

Addition on the Set of Natural Numbers - Commutative Property

Addition on the Set of Natural Numbers - Commutative Property

Sine and Cosine of an Acute Angle

Sine and Cosine of an Acute Angle

The Set of Natural Numbers and How to Visualize Them - Number Line

The Set of Natural Numbers and How to Visualize Them - Number Line