👉 Learn all about sum and difference angle identities. In this video playlist, you will learn how to evaluate, solve, simplify and verify using sum and difference angle identities. We will evaluate using angles not found on the unit...

4e Example 1 (How to Graph the Sine Function)

In this video playlist you will learn everything you need to know with complex and imaginary numbers -3i - 11i

In this tutorial, you'll learn how to subtract fractions with the same denominator. You'll see a step-by-step explanation and some real-life examples that will help you understand the concept. This video also includes tips on how to...

This video walks through the solving of a two-part problem that requires learners to simplify algebraic functions. Source of problem: IGCSE A June 2018 paper 1H Q15.

Solutions to Problem 26.

👉 Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...

In this video, the teacher explains how to solve word problems about volume using addition and subtraction on a number line. They provide examples of calculating the amount of gas needed to fill a truck's tank and the amount of water...

👉Learn how to solve a system of linear equations from a word problem. A system of equations is a set of more than one equations which are to be solved simultaneously. A word problem is a real world simulation of a mathematical concept....

In this video, the teacher demonstrates how to explain the solution to a subtraction problem in multiple ways. Using base 10 blocks and a number line, the teacher shows the process of decomposing numbers and making jumps to find the answer.

👉 You will learn how to add and subtract integers. We will work through adding and subtracting two integers up to multiple integers. We can look at adding and subtracting integers by looking at there values on a number line where there...

This video is a lecture presentation on the topic of multiplication of vectors. The presenter starts by defining what vectors are and how they are represented using vector notation. The video then goes on to explain how multiplication...

👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify trigonometric expression means to verify that the term on the left-hand side of the equality sign is equal to the term on...

👉 Learn how to apply operations to functions such as adding, subtracting, multiplying, and dividing to two functions. To add/subtract/multiply or divide two functions, we algebraically add/subtract/multiply or add the rules (contents) of...

👉 Learn how to apply operations to functions such as adding, subtracting, multiplying, and dividing to two functions. To add/subtract/multiply or divide two functions, we algebraically add/subtract/multiply or add the rules (contents) of...

Master How to add, subtract and multiply a vectors by a scalar

In this video series I show how we determine the difference between a relation and a function. A function is a relation where every input value maps to exactly one output value. Every function can be written in function notation. These...

👉 Learn how to verify Pythagoras trigonometric identities. A Pythagoras trigonometric identity is a trigonometric identity of the form sin^2 (x) + cos^2 (x) or any of its derivations. To verify trigonometric expression means to verify...

👉 Learn how to add and subtract rational expressions by applying the rules of exponents. When adding and subtracting rational expressions we need to have common denominators. To obtain common denominators we will need to multiply the...

Integer exponents greater than one represent the number of copies of the base which are multiplied together. But what if the exponent is one, zero or negative? Using the rules of adding and subtracting exponents, we can see what the...

In this video, you will learn how to simplify algebraic expressions involving addition and subtraction by identifying and combining like terms. You will understand the concept of terms, coefficients, and the commutative property of...

Learn how to add/subtract rational expressions. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then simplify our...

In this video, students learn how knowing their 10s facts can help them solve multiplication problems quickly and fluently. The video demonstrates strategies for multiplying by subtracting from groups of 10. The commutative property of...

Master Add and Subtract Rational Expressions