Showing videos from Eddie Woo with a total of 3,959 videos

11:02
Geometric Proof with a Parabola (Worked Example 1)
1y4m ago
09:02
Finding Parabola Given Vertex, Direction & Tangent (2 of 2: Using the discriminant)
1y4m ago
07:05
Finding Parabola Given Vertex, Direction & Tangent (1 of 2: Introduction)
1y4m ago
11:49
The Reflective Property of Parabolas (3 of 3: Proof)
1y4m ago
10:11
The Reflective Property of Parabolas (2 of 3: Relating the relevant angles)
1y4m ago
07:56
The Reflective Property of Parabolas (1 of 3: Introduction)
1y4m ago
10:26
Solving Simultaneous Equations Algebraically
1y4m ago
05:53
Chord of Contact (3 of 3: Why is it the same as the tangent?)
1y4m ago
08:44
Chord of Contact (2 of 3: Deriving the formula)
1y4m ago
10:21
Chord of Contact (1 of 3: What is it?)
1y4m ago
08:52
Y10 Review Questions (Trigonometry, Simultaneous Equations)
1y4m ago
08:10
Parametrics of the Parabola - NESA Reference Sheet Walkthrough (2 of 2)
1y4m ago
08:32
Parametrics of the Parabola - NESA Reference Sheet Walkthrough (1 of 2)
1y4m ago
07:25
Tangents & Normals - Cartesian Equations
1y4m ago
04:58
Circle Geometry Proof - Triangles & Tangents
1y4m ago
06:36
Circle Geometry Proof (Touching circles with a second common tangent)
1y4m ago
11:56
Proof: Centres & point of contact are collinear on touching circles
1y4m ago
07:31
Area of a Triangle (Deriving the trigonometric formula)
1y4m ago
05:48
Chords on a Parabola (2 of 2: Exploring the focal chord visually)
1y4m ago
07:37
Chords on a Parabola (1 of 2: Deriving its equation)
1y4m ago
06:24
What does the parameter mean? (2 of 2: Understanding the geometry)
1y4m ago
07:10
What does the parameter mean? (1 of 2: Exploring the derivatives)
1y4m ago
03:28
Parametric equations → Cartesian equation (2 of 2: What's the graph?)
1y4m ago
11:12
Parametric equations → Cartesian equation (1 of 2: Manipulating with trigonometric identities)
1y4m ago
04:23
Introduction to Parametrics (2 of 4: How to eliminate a parameter)
1y4m ago
08:06
Introduction to Parametrics (1 of 4: Clarity & convenience)
1y4m ago
06:46
Cosine Rule (2 of 2: Example questions)
1y4m ago
09:43
Cosine Rule (1 of 2: Stating & re-arranging the formula)
1y4m ago
05:49
Y10 Review Questions (Sine Rule)
1y4m ago
11:24
Tangents of Circles (4 of 4: Angle in the alternate segment)
1y4m ago
05:10
Tangents of Circles (3 of 4: Tangents from an external point)
1y4m ago
07:00
Tangents of Circles (2 of 4: Tangent perpendicular to radius)
1y4m ago
08:40
Tangents of Circles (1 of 4: What are they?)
1y4m ago
04:06
Applying the Sine Rule (2 of 2: Finding an obtuse angle)
1y4m ago
05:55
Applying the Sine Rule (1 of 2: Finding an acute angle)
1y4m ago
05:18
Solving Trigonometric Equations with the Unit Circle
1y4m ago
07:07
Y10 Review Questions (Solving trigonometric equations with quadrants)
1y4m ago
08:40
The Sine Rule (2 of 2: Generalising the formula)
1y4m ago
06:38
The Sine Rule (1 of 2: Introduction through example)
1y4m ago
12:21
Y10 Review Questions (Solving simple trigonometric equations)
1y4m ago
08:08
Y10 Review Questions (Solving sin x = ½)
1y4m ago
09:58
Binomial Theorem question: "Coefficient of x³ is double the coefficient of x²"
1y4m ago
07:21
Working with a Quadratic Equation involving Algebraic Coefficients
1y4m ago
06:59
Finding the Domain of a Given Radical Function
1y4m ago
04:58
Adding Squares of Reciprocals of Roots
1y5m ago
03:26
Old School / New School (produced by NSWBC)
1y5m ago
08:05
Equal Overlapping Circles Question (2 of 2: Finding equal lengths)
1y5m ago
12:27
Equal Overlapping Circles Question (1 of 2: Identifying congruent triangles)
1y5m ago
11:27
Intro to Trigonometric Functions (2 of 2: Plotting the graph)
1y5m ago
09:44
Intro to Trigonometric Functions (1 of 2: Angles of any magnitude)
1y5m ago
06:48
Tough Circle Geometry Question (2 of 2: Proving points collinear)
1y5m ago
07:06
Tough Circle Geometry Question (1 of 2: Set up & initial arguments)
1y5m ago
07:50
Opposite Angles in a Cyclic Quadrilateral (2 of 2: Completing the proof)
1y5m ago
07:38
NSW Local Hero 2018 - Australian of the Year Awards
1y5m ago
07:46
Opposite Angles in a Cyclic Quadrilateral (1 of 2: Introduction)
1y5m ago
05:53
Trigonometry on the Unit Circle (3 of 3: Example questions)
1y5m ago
10:05
Trigonometry on the Unit Circle (2 of 3: Full redefinition)
1y5m ago
11:04
Trigonometry on the Unit Circle (1 of 3: Introduction)
1y5m ago
00:46
I'm hosting a new TV show - want to sign up?
1y5m ago
07:26
Y10 Review Questions (Right-Angled Triangle Trigonometry)
1y5m ago
03:04
Parabolas (3 of 3: Thinking about maximum and minimum values)
1y5m ago
10:48
Parabolas (2 of 3: Using technology to produce coordinates)
1y5m ago
07:51
Parabolas (1 of 3: Plotting values & understanding the shape)
1y5m ago
06:55
Direct Variation (3 of 3: Graphing against a different variable)
1y5m ago
07:07
Direct Variation (2 of 3: Stating the equations)
1y5m ago
06:06
Direct Variation (1 of 3: Introduction)
1y5m ago
05:11
Exact Values of Trigonometric Ratios (2 of 2: 60° and 45°)
1y5m ago
07:31
Exact Values of Trigonometric Ratios (1 of 2: 30°)
1y5m ago
12:19
Non-Linear Functions (2 of 2: Cubic curve)
1y5m ago
10:02
Non-Linear Functions (1 of 2: Review of Parabola)
1y5m ago
05:41
Direct Linear Variation (2 of 2: Example questions)
1y5m ago
07:45
Direct Linear Variation (1 of 2: Introduction)
1y5m ago