Showing videos from Eddie Woo with a total of 4,051 videos

The Quadratic Formula (Derivation)09:37
The Quadratic Formula (Derivation)
1y6m ago
Series & Sequences: Working with a series that has equal sums07:17
Series & Sequences: Working with a series that has equal sums
1y6m ago
Series & Sequences: Finding a general term from the sum formula05:27
Series & Sequences: Finding a general term from the sum formula
1y6m ago
Completing the Square (2 of 2: Example problem)08:51
Completing the Square (2 of 2: Example problem)
1y6m ago
Completing the Square (1 of 2: How does it help?)11:05
Completing the Square (1 of 2: How does it help?)
1y6m ago
Partial Sums (2 of 2: Devising a formula)09:51
Partial Sums (2 of 2: Devising a formula)
1y6m ago
Partial Sums (1 of 2: Adding up terms in an arithmetic progression)10:24
Partial Sums (1 of 2: Adding up terms in an arithmetic progression)
1y6m ago
The Quadratic Formula  (Definition & example question)11:38
The Quadratic Formula (Definition & example question)
1y6m ago
Y10 Review Questions (Quadratic equations)04:11
Y10 Review Questions (Quadratic equations)
1y6m ago
Series & Sequences Introduction (3 of 3: Geometric Progressions)08:07
Series & Sequences Introduction (3 of 3: Geometric Progressions)
1y6m ago
Series & Sequences Introduction (2 of 3: Ways to define a sequence)12:01
Series & Sequences Introduction (2 of 3: Ways to define a sequence)
1y6m ago
Series & Sequences Introduction (1 of 3: Basic definitions)04:16
Series & Sequences Introduction (1 of 3: Basic definitions)
1y6m ago
Direct Variation (5 of 5: Solving a problem through the equation)03:14
Direct Variation (5 of 5: Solving a problem through the equation)
1y6m ago
Direct Variation (4 of 5: Graphing a relationship with different horizontal axes)10:51
Direct Variation (4 of 5: Graphing a relationship with different horizontal axes)
1y6m ago
Direct Variation (3 of 5: Interpreting variation equations)03:22
Direct Variation (3 of 5: Interpreting variation equations)
1y6m ago
Direct Variation (2 of 5: Forming variation equations)08:34
Direct Variation (2 of 5: Forming variation equations)
1y7m ago
Direct Variation (1 of 5: Relating two changing quantities)09:03
Direct Variation (1 of 5: Relating two changing quantities)
1y7m ago
HSC Parametrics Question (2 of 2: Understanding the locus)07:19
HSC Parametrics Question (2 of 2: Understanding the locus)
1y7m ago
HSC Parametrics Question (1 of 2: Introduction)09:44
HSC Parametrics Question (1 of 2: Introduction)
1y7m ago
Geometric Proof with a Parabola (Worked Example 2)10:00
Geometric Proof with a Parabola (Worked Example 2)
1y7m ago
Geometric Proof with a Parabola (Worked Example 1)11:02
Geometric Proof with a Parabola (Worked Example 1)
1y7m ago
Finding Parabola Given Vertex, Direction & Tangent (2 of 2: Using the discriminant)09:02
Finding Parabola Given Vertex, Direction & Tangent (2 of 2: Using the discriminant)
1y7m ago
Finding Parabola Given Vertex, Direction & Tangent (1 of 2: Introduction)07:05
Finding Parabola Given Vertex, Direction & Tangent (1 of 2: Introduction)
1y7m ago
The Reflective Property of Parabolas (3 of 3: Proof)11:49
The Reflective Property of Parabolas (3 of 3: Proof)
1y7m ago
The Reflective Property of Parabolas (2 of 3: Relating the relevant angles)10:11
The Reflective Property of Parabolas (2 of 3: Relating the relevant angles)
1y7m ago
The Reflective Property of Parabolas (1 of 3: Introduction)07:56
The Reflective Property of Parabolas (1 of 3: Introduction)
1y7m ago
Solving Simultaneous Equations Algebraically10:26
Solving Simultaneous Equations Algebraically
1y7m ago
Chord of Contact (3 of 3: Why is it the same as the tangent?)05:53
Chord of Contact (3 of 3: Why is it the same as the tangent?)
1y7m ago
Chord of Contact (2 of 3: Deriving the formula)08:44
Chord of Contact (2 of 3: Deriving the formula)
1y7m ago
Chord of Contact (1 of 3: What is it?)10:21
Chord of Contact (1 of 3: What is it?)
1y7m ago
Y10 Review Questions (Trigonometry, Simultaneous Equations)08:52
Y10 Review Questions (Trigonometry, Simultaneous Equations)
1y7m ago
Parametrics of the Parabola - NESA Reference Sheet Walkthrough (2 of 2)08:10
Parametrics of the Parabola - NESA Reference Sheet Walkthrough (2 of 2)
1y7m ago
Parametrics of the Parabola - NESA Reference Sheet Walkthrough (1 of 2)08:32
Parametrics of the Parabola - NESA Reference Sheet Walkthrough (1 of 2)
1y7m ago
Tangents & Normals - Cartesian Equations07:25
Tangents & Normals - Cartesian Equations
1y7m ago
Circle Geometry Proof - Triangles & Tangents04:58
Circle Geometry Proof - Triangles & Tangents
1y7m ago
Circle Geometry Proof (Touching circles with a second common tangent)06:36
Circle Geometry Proof (Touching circles with a second common tangent)
1y7m ago
Proof: Centres & point of contact are collinear on touching circles11:56
Proof: Centres & point of contact are collinear on touching circles
1y7m ago
Area of a Triangle (Deriving the trigonometric formula)07:31
Area of a Triangle (Deriving the trigonometric formula)
1y7m ago
Chords on a Parabola (2 of 2: Exploring the focal chord visually)05:48
Chords on a Parabola (2 of 2: Exploring the focal chord visually)
1y7m ago
Chords on a Parabola (1 of 2: Deriving its equation)07:37
Chords on a Parabola (1 of 2: Deriving its equation)
1y7m ago
What does the parameter mean? (2 of 2: Understanding the geometry)06:24
What does the parameter mean? (2 of 2: Understanding the geometry)
1y7m ago
What does the parameter mean? (1 of 2: Exploring the derivatives)07:10
What does the parameter mean? (1 of 2: Exploring the derivatives)
1y7m ago
Parametric equations → Cartesian equation (2 of 2: What's the graph?)03:28
Parametric equations → Cartesian equation (2 of 2: What's the graph?)
1y7m ago
Parametric equations → Cartesian equation (1 of 2: Manipulating with trigonometric identities)11:12
Parametric equations → Cartesian equation (1 of 2: Manipulating with trigonometric identities)
1y7m ago
Introduction to Parametrics (2 of 4: How to eliminate a parameter)04:23
Introduction to Parametrics (2 of 4: How to eliminate a parameter)
1y7m ago
Introduction to Parametrics (1 of 4: Clarity & convenience)08:06
Introduction to Parametrics (1 of 4: Clarity & convenience)
1y7m ago
Cosine Rule (2 of 2: Example questions)06:46
Cosine Rule (2 of 2: Example questions)
1y7m ago
Cosine Rule (1 of 2: Stating & re-arranging the formula)09:43
Cosine Rule (1 of 2: Stating & re-arranging the formula)
1y7m ago
Y10 Review Questions (Sine Rule)05:49
Y10 Review Questions (Sine Rule)
1y7m ago
Tangents of Circles (4 of 4: Angle in the alternate segment)11:24
Tangents of Circles (4 of 4: Angle in the alternate segment)
1y7m ago
Tangents of Circles (3 of 4: Tangents from an external point)05:10
Tangents of Circles (3 of 4: Tangents from an external point)
1y7m ago
Tangents of Circles (2 of 4: Tangent perpendicular to radius)07:00
Tangents of Circles (2 of 4: Tangent perpendicular to radius)
1y7m ago
Tangents of Circles (1 of 4: What are they?)08:40
Tangents of Circles (1 of 4: What are they?)
1y7m ago
Applying the Sine Rule (2 of 2: Finding an obtuse angle)04:06
Applying the Sine Rule (2 of 2: Finding an obtuse angle)
1y7m ago
Applying the Sine Rule (1 of 2: Finding an acute angle)05:55
Applying the Sine Rule (1 of 2: Finding an acute angle)
1y7m ago
Solving Trigonometric Equations with the Unit Circle05:18
Solving Trigonometric Equations with the Unit Circle
1y7m ago
Y10 Review Questions (Solving trigonometric equations with quadrants)07:07
Y10 Review Questions (Solving trigonometric equations with quadrants)
1y7m ago
The Sine Rule (2 of 2: Generalising the formula)08:40
The Sine Rule (2 of 2: Generalising the formula)
1y7m ago
The Sine Rule (1 of 2: Introduction through example)06:38
The Sine Rule (1 of 2: Introduction through example)
1y7m ago
Y10 Review Questions (Solving simple trigonometric equations)12:21
Y10 Review Questions (Solving simple trigonometric equations)
1y7m ago
Y10 Review Questions (Solving sin x = ½)08:08
Y10 Review Questions (Solving sin x = ½)
1y7m ago
Binomial Theorem question: "Coefficient of x³ is double the coefficient of x²"09:58
Binomial Theorem question: "Coefficient of x³ is double the coefficient of x²"
1y7m ago
Working with a Quadratic Equation involving Algebraic Coefficients07:21
Working with a Quadratic Equation involving Algebraic Coefficients
1y7m ago
Finding the Domain of a Given Radical Function06:59
Finding the Domain of a Given Radical Function
1y7m ago
Adding Squares of Reciprocals of Roots04:58
Adding Squares of Reciprocals of Roots
1y7m ago
Old School / New School (produced by NSWBC)03:26
Old School / New School (produced by NSWBC)
1y7m ago
Equal Overlapping Circles Question (2 of 2: Finding equal lengths)08:05
Equal Overlapping Circles Question (2 of 2: Finding equal lengths)
1y7m ago
Equal Overlapping Circles Question (1 of 2: Identifying congruent triangles)12:27
Equal Overlapping Circles Question (1 of 2: Identifying congruent triangles)
1y7m ago
Intro to Trigonometric Functions (2 of 2: Plotting the graph)11:27
Intro to Trigonometric Functions (2 of 2: Plotting the graph)
1y7m ago
Intro to Trigonometric Functions (1 of 2: Angles of any magnitude)09:44
Intro to Trigonometric Functions (1 of 2: Angles of any magnitude)
1y7m ago
Tough Circle Geometry Question (2 of 2: Proving points collinear)06:48
Tough Circle Geometry Question (2 of 2: Proving points collinear)
1y7m ago
Tough Circle Geometry Question (1 of 2: Set up & initial arguments)07:06
Tough Circle Geometry Question (1 of 2: Set up & initial arguments)
1y7m ago