IB DP Maths: AA HL复习笔记3.8.1 Trigonometric Proof
Trigonometric Proof How do I prove new trigonometric identities? You can use trigonometric identities you already know to prove new identities Make sure you know how to find all of the trig identit...
Edexcel IGCSE Chemistry 复习笔记 1.4.2 Electronic Configurations
Edexcel IGCSE Chemistry 复习笔记 1.4.2 Electronic Configurations Deducing Electronic Configurations We can represent the electronic structure of atoms using electron shell diagrams Electrons...
AQA A Level Physics复习笔记7.4.4 Uniform Electric Field
Uniform Electric Field Strength The magnitude of the electric field strength in a uniform field between two charged parallel plates is defined as: Where: E = electric field strength (V m-1) ...
IB DP Maths: AA HL复习笔记3.7.2 Inverse Trig Functions
Inverse Trig Functions What are the inverse trig functions? The functions arcsin, arccos and arctan are the inverse functions of sin, cos and tan respectively when their domains are restricted sin ...
IB DP Maths: AA HL复习笔记3.7.1 Reciprocal Trig Functions
Reciprocal Trig Functions What are the reciprocal trig functions? What do the graphs of the reciprocal trig functions look like? The graph of y = secx has the following properties: The y-axis is a ...
AQA A Level Physics复习笔记7.4.3 Electric Field Strength
Electric Field Strength Definition An electric field is a region of space in which an electric charge “feels” a force The electric field strength at a point is defined as: The electrostatic ...
IB DP Maths: AA HL复习笔记3.6.6 Quadratic Trigonometric Equations
Quadratic Trigonometric Equations How are quadratic trigonometric equations solved? A quadratic can give up to two solutions You must consider both solutions to see whether a real value exists Reme...
Edexcel IGCSE Chemistry 复习笔记 1.4.1 Periodic Table: Basics
Edexcel IGCSE Chemistry 复习笔记 1.4.1 Periodic Table: Basics Arrangement of the Periodic Table There are over 100 chemical elements which have been isolated and identified Elements are arra...
AQA A Level Physics复习笔记7.4.2 Electric Field Lines
Representing Electric Fields The direction of electric fields is represented by electric field lines Electric field lines are directed from positive to negative Therefore, the field lines mu...
