IB DP Maths: AI HL复习笔记3.5.1 Voronoi Diagrams
Drawing Voronoi Diagrams What are Voronoi Diagrams? A Voronoi diagram shows the region containing the set of all points which are closer to one given site than to any other site on the diagram A si...
IB DP Maths: AI HL复习笔记3.4.3 Solving Trigonometric Equations
Graphs of Trigonometric Functions What are the graphs of trigonometric functions? The trigonometric functions sin, cos and tan all have special periodic graphs You’ll need to know their properties ...
亚洲留学成为中国家庭的大热门！
说到留学，很多同学的第一反应可能是英澳美加等传统留学目的地。不过一场席卷全球的疫情过后，亚洲留学成为中国家庭的大热门！ 前段时间，《2022中国留学白皮书》发布，数据显示，新加坡、日韩、中国香港等亚洲求...
IB DP Maths: AI HL复习笔记3.4.2 Simple Identities
Simple Identities What is a trigonometric identity? They are used to help simplify trigonometric equations before solving them Sometimes you may see identities written with the symbol ≡ This means ...
IB DP Maths: AI HL复习笔记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...
周杰伦《最伟大的作品》霸屏！致敬艺术探索人文情怀，国际写作竞赛了解一下！
被“催更”6年 周杰伦的歌迷们终于迎来了“新春” 新专辑《最伟大的作品》先行曲MV上线 短短1小时点赞量突破百万 上线8小时播放量突破1.5亿 微博文娱榜更是占据半壁江山 01致 敬 —— 传 世 的Locations、不 朽 的Mast...
IB DP Maths: AI HL复习笔记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复习笔记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复习笔记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...
