2023 AMC12报名倒计时！AMC12考点内容详解
AMC (American Mathematics Competition) 由美国数学协会（MAA）举办，起源于1950年，是美国唯一一个用来选拔参加IMO的美国数学奥林匹克国家队的学术活动选拔体系，可以说AMC是世界上目前信度和效度最高的数学科...
2023 AMC10报名倒计时！AMC10考点内容详解
想要被理想学校录取，除了在标准化成绩和在校成绩上表现突出之外，很多学生会将相当大的精力放在AP/IB/SAT II、高含金量学科学术活动和科研项目几个方向上。除了以上“申请加分项”之外，学术活动类成绩对于最终的...
AMC8高频考点有哪些？2023AMC8辅导课程火热报名中！
AMC是由美国数学协会MAA举办的一系列挑战赛，目前每年有来自全球超过6000所学校的30万名学生参与，在全球范围内具有一定影响力。AMC8是专门为8年级及以下学生准备的挑战活动。 AMC8考试时间： 2023年1月21日（周...
Edexcel A Level Maths: Pure:复习笔记5.2.2 Transformations of Trigonometric Functions
Transformations of Trigonometric Functions Transformations of trigonometric functions You should already have a good idea about translating, stretching and reflecting basic functions (see Transform...
Edexcel A Level Maths: Pure:复习笔记5.2.1 Graphs of Trigonometric Functions
Graphs of Trigonometric Functions Graphs of trigonometric functions The Trigonometric Functions Sin, Cos and Tan all have special periodic graphs that you need to be able to sketch and remember You...
AMC8主要考察哪些内容？AMC8答题技巧了解一下
AMC是由美国数学协会MAA举办的一系列挑战赛，目前每年有来自全球超过6000所学校的30万名学生参与，在全球范围内具有一定影响力。AMC8是专门为8年级及以下学生准备的挑战活动。 AMC8考试时间： 2023年1月21日（周...
Edexcel A Level Maths: Pure:复习笔记5.1.3 Non-Right-Angled Triangles
Non-Right-Angled Triangles What do I do if there isn’t a right‑angle? The Sine Rule, Cosine Rule and Area Formula can be used for ANY type of triangle They can help us calculate missing side length...
Edexcel A Level Maths: Pure:复习笔记5.1.2 Right-Angled Triangles
Right-Angled Triangles What is SOHCAHTOA? SOH, CAH, and TOA are an easy way to remember the three basic trigonometry ratios They show the relationship between an angle and the different sides of a ...
Edexcel A Level Maths: Pure:复习笔记5.1.1 Trigonometry - Definitions
Trigonometry - Definitions What is trigonometry? Trigonometry looks at the relationship between side lengths and angles of triangles It comes from the Greek words trigonon meaning ‘triangle’ and me...
Edexcel A Level Maths: Pure:复习笔记4.6.1 Modelling with Sequences & Series
Modelling with Sequences & Series What do I need to know about modelling with sequences and series? Many real-life situations can be modelled using sequences and series If a quantity is changin...
Edexcel A Level Maths: Pure:复习笔记4.5.3 Recurrence Relations
Recurrence Relations What do I need to know about recurrence relations? A recurrence relation describes each term in a sequence as a function of the previous term – ie un+1 = f(un) Along with the f...
Edexcel A Level Maths: Pure:复习笔记4.5.2 Sigma Notation
Sigma Notation What is sigma notation? The symbol Σ is the capital Greek letter sigma – that's why it's called 'sigma notation'! 'Σ' stands for 'sum' – the expression to the right of the Σ tells yo...
