OSSD课程申请被叫停，该如何自救？
继去年英国爱丁堡大学出台了最严苛的OSSD审核要求后，今年7月份澳洲的墨尔本大学，悉尼大学和昆士兰大学等也陆续释放信号并加强了OSSD学生换取无条件录取的成绩单溯源审核机制。OSSD课程申请被叫停，该如何自救？...
CIE A Level Maths: Pure 3复习笔记3.1.2 Reciprocal Trig Functions - Graphs
Reciprocal Trig Functions - Graphs What does the graph of the sec look like? The graph of y = secx looks like this: y-axis is a line of symmetry has period (ie repeats every) 360° or 2π radians ver...
CIE A Level Maths: Pure 3复习笔记3.1.1 Reciprocal Trig Functions - Definitions
Reciprocal Trig Functions - Definitions What are the reciprocal trigonometric functions? There are three reciprocal trig functions corresponding to the three regular trig functions Cotangent can al...
CIE A Level Maths: Pure 3复习笔记2.3.3 Using Log Graphs in Modelling
Using Log Graphs in Modelling What are log graphs? Log graphs are used when the scale of a graph increases or decreases exponentially It can very difficult to read specific values from graphs with ...
CIE A Level Maths: Pure 3复习笔记2.3.2 Using Exps & Logs in Modelling
Using Exps & Logs in Modelling What is exponential modelling? Exponential modelling is where real-life situations are modelled using exponential growth and decay Exponential growth is typically...
CIE A Level Maths: Pure 3复习笔记2.3.1 Exponential Growth & Decay
Exponential Growth & Decay What are exponential growth and exponential decay? y = Aekt is exponential growth y = Ae-kt is exponential decay k > 0 so plus or minus sign in equation immediatel...
CIE A Level Maths: Pure 3复习笔记2.2.2 Exponential Equations
Exponential Equations What are exponential equations? An equation where the unknown is a power In simple cases the solutions can be “spotted” How do I solve exponential equations? Laws of Indices a...
CIE A Level Maths: Pure 3复习笔记2.2.1 Laws of Logarithms
Laws of Logarithms What are the laws of logarithms? There are many laws or rules of indices, for example am x an = am+n (am)n = amn There are equivalent laws of logarithms (for a > 0) There are ...
CIE A Level Maths: Pure 3复习笔记2.1.4 Derivatives of Exponential Functions
Derivatives of Exponential Functions What is the derivative of e? y = ex has the particular property ie for every real number x, the gradient of y = ex is also equal to ex (see Derivatives of Expon...
