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 復(fù)習(xí)筆記 1.4.2 Electronic Configurations Deducing Electronic Configurations We can represent the electronic structure of atoms using electron shell diagrams Electrons...
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) ...
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 ...
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?...
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 ...
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 復(fù)習(xí)筆記 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...
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...
