美国招生官：美国高校招生考虑的五大核心要素
我们都知道，美国高校招生录取的过程有所不同，相对来说情况复杂且多样，但总体原则是每个学生都能找到适合自己的高校。 多数美国大学都希望构建一个多元化的学生群体，所以很多大学都采取对学生进行全面、综合性...
AQA A Level Maths: Mechanics复习笔记2.4.1 Using Calculus in 2D
Using Calculus in 2D How can I use vectors in 2D Kinematics? It is important you understand Calculus in 1D first Also recall the differences between key vector and scalar quantities Displace...
2022北京中考分数线出炉，多少分才能进入第一梯队国际部？
2022北京中考成绩及今年中招各区分数段人数统计已经在官网公布。 中考成绩全线上涨 今年共有10.09万人参加中考，比去年多了两万人，不仅更多人竞争有限的优质学校。 而且从公布的数据来看，今年的中考成绩全线上...
申请美国Top 30名校，SAT/ACT到底需要考到多少分？
今年因疫情原因，部分地区5月AP考试遗憾取消。那么未考试的同学们该如何逆风翻盘？正常考试的同学又该如何脱颖而出？ SAT/ACT无疑是最佳的主战场！我们研究了顶尖院校的录取学生背景，发现即使学校不强制要求提交...
IB DP Maths: AA SL复习笔记3.6.3 Relationship Between Trigonometric Ratios
Relationship Between Trigonometric Ratios What relationships between trigonometric ratios should I know? If you know a value for one trig ratio you can often use this to work out the value for the ...
IB DP Maths: AA SL复习笔记3.6.2 Double Angle Formulae
Double Angle Formulae What are the double angle formulae? The double angle formulae for sine and cosine are: These can be found in the formula booklet You do not need to know how to derive them How...
AQA A Level Maths: Mechanics复习笔记2.3.3 Acceleration due to Gravity
Acceleration due to Gravity What is acceleration due to gravity? If motion is vertical and no other forces are acting on a particle, the acceleration of the particle will be due to gravity A...
IB DP Maths: AA SL复习笔记3.6.1 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 ...
AQA A Level Maths: Mechanics复习笔记2.3.2 suvat in 1D
suvat in 1D What are the suvat (constant acceleration) formulae? For constant acceleration there are five suvat formula: How do I identify values for suvat within a question? Common phrases...
IB DP Maths: AA SL复习笔记3.5.3 Modelling with Trigonometric Functions
Modelling with Trigonometric Functions What can be modelled with trigonometric functions? Anything that oscillates (fluctuates periodically) can be modelled using a trigonometric function Normally ...
IB DP Maths: AA SL复习笔记3.5.2 Transformations of Trigonometric Functions
Transformations of Trigonometric Functions What transformations of trigonometric functions do I need to know? As with other graphs of functions, trigonometric graphs can be transformed through tran...
IB DP Maths: AA SL复习笔记3.5.1 Graphs of Trigonometric Functions
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 ...
