Determinants What is a determinant? The determinant is a numerical value (positive or negative) calculated from the elements in a matrix and is used to find the inverse of a matrix You can only fin...
Matrix Addition & Subtraction Just as with ordinary numbers, matrices can be added together and subtracted from one another, provided that they meet certain conditions. How is addition and subt...
Introduction to Matrices Matrices are a useful way to represent and manipulate data in order to model situations. The elements in a matrix can represent data, equations or systems and have many rea...
Frequency & Phase of Trig Functions How are complex numbers and trig functions related? A sinusoidal function is of the form a sin(bx + c) a represents the amplitude b represents the period (al...
Modulus-Argument (Polar) Form How do I write a complex number in modulus-argument (polar) form? How do I multiply complex numbers in modulus-argument (polar) form? The main benefit of writing compl...
去加拿大留学，寄宿家庭怎么找？开学在即，来留学的孩子们很快陆续来到加拿大，孩子们在机场被接走之后往往直接送到寄宿家庭。小编总结出大家关心的关于寄宿家庭的一些问题并予以解答，希望父母和孩子们都对寄宿...
Geometry of Complex Addition & Subtraction What does addition look like on an Argand diagram? In Cartesian form two complex numbers are added by adding the real and imaginary parts When plotted...
对于从AS升入A2、即将申请英本的同学来说，大家有一个很重要的任务，就是完成申请中personal statement—英本申请文书的写作。我相信这个阶段的大家都会有很多疑惑，对于这个在大学申请中和成绩同样重要的文书无从...
Argand Diagrams What is the complex plane? The complex plane, sometimes also known as the Argand plane, is a two-dimensional plane on which complex numbers can be represented geometrically It is si...
从疫情开始以来，美国大学的招生政策在不断进行调整。尽管每年的录取难度都在提升，但这并没有阻挡学生们申请Top美本的热情。据国际教育协会（IIE）最新报告也指出，美国留学生人数在2020年经历了一个小低谷，而...
Modulus & Argument How do I find the modulus of a complex number? What features should I know about the modulus of a complex number? How do I find the argument of a complex number? The argument...
Complex numbers are a set of numbers which contain both a real part, and an imaginary part. Cartesian Form What is an imaginary number? What is a complex number? What is Cartesian Form? Exam Tip Re...
