Course Category: 線上課程
DSE CH15
Basic Properties of Circles
圓的基本性質
Basic Properties of Circles
圓的基本性質
由 楊老師 任教
課程概要:
- 圓的基本用語 Basic term of Circle
- 弦 Chord of a circle
- 弦與圓心的距離 Distance between Chords and Centre
- 圓的角 Angles in a circle
- 弧、弦和角的關係 Relationship among Arcs, Chords and Angles
- 弧長與角度成正比 Arcs Proportional to Angles
- 圓內接四邊形 Cyclic Quadrilaterals
- 共圓點的測試 Test for Concyclic Points
- 弦 Chord of a circle
- 弦與圓心的距離 Distance between Chords and Centre
- 圓的角 Angles in a circle
- 弧、弦和角的關係 Relationship among Arcs, Chords and Angles
- 弧長與角度成正比 Arcs Proportional to Angles
- 圓內接四邊形 Cyclic Quadrilaterals
- 共圓點的測試 Test for Concyclic Points
DSE CH14
Applications of Trigonometry (III) – 3D
三角比3D的應用
Applications of Trigonometry (III) – 3D
三角比3D的應用
由 楊老師 任教
課程概要:
兩條直線的夾角 Angle Between Two Intersection Straight
直線與平面的夾角 Angle Between a Straight Line and a Plane
兩個相交平面的夾角 Angle Between Two Intersecting Plane
直線與平面的夾角 Angle Between a Straight Line and a Plane
兩個相交平面的夾角 Angle Between Two Intersecting Plane
DSE CH13
Applications of Trigonometry (II)
三角比的應用 (II)
Applications of Trigonometry (II)
三角比的應用 (II)
由 楊老師 任教
課程概要:
- 仰角 / 俯角 Angle of Elevation / Angle of Depression
- 方位角 Bearing
- 方位角 Bearing
DSE CH12
Applications of Trigonometry (I) – 2D
三角比 – 2D的應用
Applications of Trigonometry (I) – 2D
三角比 – 2D的應用
由 楊老師 任教
課程概要:
- 三角形面積 Area of a Triangle
- 希羅公式 Heron’s Formula
- 正弦公式 The Sine Formula
- 餘弦公式 The Cosine Formula
- 希羅公式 Heron’s Formula
- 正弦公式 The Sine Formula
- 餘弦公式 The Cosine Formula
DSE CH11
Basic Trigonometry 三角比
Basic Trigonometry 三角比
由 楊老師 任教
課程概要:
Lesson 1
- 定義 Definition
- 特殊角 Special angles
- 四個象限 The Four Quadrants
- 同界角 Coterminal Angles
- 任何角的三角比 Trigonometric Ratio of Any Angle
- 三角比的正負號 The Signs of Trigonometric Ratios
- 三角恆等式 Trigonometric Identities
- sin θ、cos θ 和 tan θ 的圖像 Graph of sin θ, cos θ and tan θ
- sin θ、cos θ 和 tan θ 的圖像的變換 Transformation of Graph of sin θ, cos θ and tan θ
- 續sin θ、cos θ 和 tan θ More about sin θ, cos θ and tan θ
- 三角方程的圖像解 Graphical Solution of Trigonometric Equations
- 用代數法解三角方程 Solving Trigonometric Equations by Algebraic Methods
DSE CH10
Rate, Ratio and Variations
率、比和變分
Rate, Ratio and Variations
率、比和變分
由 楊老師 任教
課程概要:
- 率和比 Rate and Ratio
- 正變 Direct Variations
- 反變 Inverse Variations
- 聯變 Joint Variations
- 部份變 Partial Variations
- 正變 Direct Variations
- 反變 Inverse Variations
- 聯變 Joint Variations
- 部份變 Partial Variations
DSE CH09
More about Equation II (Transformation)
函數的變換
More about Equation II (Transformation)
函數的變換
由 楊老師 任教
課程概要:
Lesson 1
- 於y軸的方向平移 Translation in the Direction of the y-axis
- 於x軸的方向平移 Translation in the Direction of the x-axis
- 沿x軸反射 Reflection about the x-axis
- 沿y軸反射 Reflection about the y-axis
- 沿y軸放大或縮小 Enlargement and Reduction along the y-axis
- 沿x軸放大或縮小 Enlargement and Reduction along the x-axis
DSE CH08
More about Equation (I)
續方程 (I)
More about Equation (I)
續方程 (I)
由 楊老師 任教
課程概要:
- 以圖解法解聯立方程 Solving Simultaneous Equations by the Graphical Method
- 以圖解法解不等式 Solving inequalities Using the Graphical Method
- 直線和二次曲線的相交點數量 Number of Intersections between a Straight Line and a Quadratic Curve
- 可化簡至二次方程的方程 Equations Reducible to Quadratic Equations
- 與二次方程有關的應用問題 Practical Problems Leading to Quadratic Equations
- 以圖解法解不等式 Solving inequalities Using the Graphical Method
- 直線和二次曲線的相交點數量 Number of Intersections between a Straight Line and a Quadratic Curve
- 可化簡至二次方程的方程 Equations Reducible to Quadratic Equations
- 與二次方程有關的應用問題 Practical Problems Leading to Quadratic Equations
DSE CH07B
Graph of Exponential and Logarithmic Functions
指數函數及其圖像
Graph of Exponential and Logarithmic Functions
指數函數及其圖像
由 楊老師 任教
課程概要:
- 指數函數的圖像
- 對數函數的圖像
- 對數函數的圖像
DSE CH07A
Exponential and Logarithmic Functions
指數與對數函數
Exponential and Logarithmic Functions
指數與對數函數
由 楊老師 任教
課程概要:
Lesson 1
- 指數和指數定律 Indices and Laws of Indices
- 有理指數定律 Laws of Rational Indices
- 常用對數的定義 Definition of Common Logarithms
- 常用對數的特性 Properties of Common Logarithms
- 指數函數與對數函數的應用 Application of Exponential and Logarithmic Functions
- 聲強級 Sound Intensity Level
- 黎克特制 Richter Scale
- 對數函數 Logarithms Function