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 ...
