IB DP Maths: AI HL復習筆記3.4.1 The Unit Circle
Defining Sin, Cos and Tan What is the unit circle? The unit circle is a circle with radius 1 and centre (0, 0) Angles are always measured from the positive x-axis and turn: anticlockwise?for?positi...
周杰倫《最偉大的作品》霸屏！致敬藝術探索人文情懷，國際寫作競賽了解一下！
被“催更”6年 周杰倫的歌迷們終于迎來了“新春” 新專輯《最偉大的作品》先行曲MV上線 短短1小時點贊量突破百萬 上線8小時播放量突破1.5億 微博文娛榜更是占據半壁江山 01致? 敬 —— 傳 世 的Locations、不 朽 的Mast...
IB DP Maths: AI HL復習筆記3.3.3 Applications of Trigonometry & Pythagoras
Bearings What are bearings? Bearings?are a way of describing and using?directions?as?angles They are specifically defined for use in navigation because they give a precise?location?and/or?direction...
IB DP Maths: AI HL復習筆記3.3.2 Non Right-Angled Trigonometry
Sine Rule What is the sine rule? The sine rule allows us to find missing side lengths or angles in?non-right-angled triangles It states that for any triangle with angles?A, B?and?C Where a?is the s...
IB DP Maths: AI HL復習筆記3.3.1 Pythagoras & Right-Angled Triganometry
Pythagoras What is the Pythagorean theorem? Pythagoras’ theorem is a formula that works for?right-angled triangles?only It states that for any right-angled triangle, the?square of the hypotenuse is...
IB DP Maths: AI HL復習筆記3.2.2 Volume & Surface Area
Volume of 3D Shapes What is volume? The volume of a 3D shape is a measure of how much 3D space it takes up A 3D shape is also called a?solid You need to be able to calculate the volume of a number ...
IB DP Maths: AI HL復習筆記3.2.1 3D Coordinate Geometry
3D Coordinate Geometry How does the 3D coordinate system work? In three-dimensional space we can label where any object is using the?x-y-z?coordinate system In the 3D cartesian system, the?x-?and?y...
IB DP Maths: AI HL復習筆記3.1.3 Arcs & Sectors
Length of an Arc What is an arc? An arc is a part of the?circumference?of a circle It is easiest to think of it as the crust of a single slice of pizza The length of an arc depends of the size of t...
IB DP Maths: AI HL復習筆記3.1.2 Radian Measure
Radian Measure What are radians? Radians are an alternative to degrees for measuring angles 1 radian is the angle in a?sector?of radius 1 and arc length 1 A circle with radius 1 is called a?unit ci...
IB DP Maths: AI HL復習筆記3.1.1 Coordinate Geometry
Basic Coordinate Geometry What are cartesian coordinates? Cartesian?coordinates are basically the?x-y?coordinate system They allow us to label where things are in a two-dimensional plane In the 2D ...
美國社會學專業好的大學有哪些推薦？
社會學是從社會整體出發，通過社會關系和社會行為來研究社會的結構、功能、發生、發展規律的綜合性學科。社會學最初是由人類學演變而來，涉及到和人有關的所有相關的交叉性較強的學科。美國的社會學范圍比較廣，...
IB DP Maths: AI HL復習筆記2.6.4 Piecewise Models
Linear Piecewise Models What are the parameters of a piecewise linear model? For each linear model there will be The rate of change for that interval?m-i The value if the independent variable was n...
