Instructional Video1:29
Brian McLogan

Evaluate inverse of cosecant using a calculator

12th - Higher Ed
๐Ÿ‘‰ Learn how to evaluate inverse trigonometric functions. The inverse trigonometric functions are used to obtain theta, the angle which yielded the trigonometric function value. It is usually helpful to use the calculator to calculate the...
Instructional Video3:31
Brian McLogan

What is the difference between an angle in radians and in terms of pie

12th - Higher Ed
๐Ÿ‘‰ Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Instructional Video2:20
Brian McLogan

ACT SAT Prep Learn how to evaluate an expression for a given value

12th - Higher Ed
ACT SAT Prep Learn how to evaluate an expression for a given value
Instructional Video2:15
Brian McLogan

Verifying a trigonometric Identities

12th - Higher Ed
๐Ÿ‘‰ 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...
Instructional Video1:46
Brian McLogan

Simplifying trigonometric expressions using even and odd identities

12th - Higher Ed
๐Ÿ‘‰ Learn how to simplify trigonometric expressions by factoring, expansion, and re-grouping. To simplify a trigonometric identity means to reduce the identity to the simplest form it can take which may be a number or a simple...
Instructional Video1:35
Brian McLogan

Evaluate the double angle of sine given a triangle

12th - Higher Ed
๐Ÿ‘‰ Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Instructional Video5:31
Brian McLogan

Determine the missing sides and angles using the law of sines

12th - Higher Ed
๐Ÿ‘‰ Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Instructional Video1:58
Brian McLogan

Converting the equation of a circle to polar form

12th - Higher Ed
Converting the equation of a circle to polar form
Instructional Video1:32
Brian McLogan

How to find the antiderivative of a simple function

12th - Higher Ed
๐Ÿ‘‰ Learn how to find the antiderivative (integral) of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as an indefinite integral or as...
Instructional Video3:16
Brian McLogan

Why Does the Power Rule of Exponents Work

12th - Higher Ed
๐Ÿ‘‰ Learn about the rules of exponents. An exponent is a number which a number is raised to, to produce a power. It is the number of times which a number will multiply itself in a power. There are several rules used in evaluating...
Instructional Video1:00
Brian McLogan

Learn how to use the power to product rule with a fraction

12th - Higher Ed
๐Ÿ‘‰ Learn how to apply the rules of exponents to simplify an expression. We will focus on applying the product rule, quotient rule as well as power rule. We will then explore multiple properties such as power to product, power to quotient...
Instructional Video3:10
Brian McLogan

How to evaluate a quadratic function

12th - Higher Ed
๐Ÿ‘‰ Learn how to evaluate a function and for any given value. For any function, f(x) x is called the input value or the argument of the function. To evaluate a function, all we have to do is to change the argument of the function from x to...
Instructional Video5:20
Brian McLogan

Learn how to use a rectangle to factor and solve a quadratic equation

12th - Higher Ed
we find two factors of the product of the constant term (the term with no variable) and the coefficient of the squared variable whose sum gives the linear term. These factors are now placed in separate brackets with x to form the factors...
Instructional Video4:35
Brian McLogan

How do you factor using the difference of two squares

12th - Higher Ed
๐Ÿ‘‰Learn the basics of factoring quadratics by using different techniques. Some of the techniques used in factoring quadratics include: when the coefficient of the squared term is not 1. In that case, we first write the quadratic in...
Instructional Video3:31
Brian McLogan

What is factoring by the difference of two squares then solving

12th - Higher Ed
๐Ÿ‘‰Learn how to solve quadratic equations by factoring the difference of two squares. We can identify the difference of two squares but looking for binomials that have square terms. Difference of two square quadratic equations is of the...
Instructional Video1:36
Brian McLogan

Summary for solving a quadratic by factoring out a GCF

12th - Higher Ed
๐Ÿ‘‰Learn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
Instructional Video2:03
Brian McLogan

How to solve a quadratic equation by using the square root method with irrational solutions

12th - Higher Ed
๐Ÿ‘‰Learn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Instructional Video2:49
Brian McLogan

Factoring a quadratic trinomial when a=1 to find the solutions

12th - Higher Ed
๐Ÿ‘‰Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Instructional Video5:44
Brian McLogan

Using elimination to solve a system

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Instructional Video7:19
Brian McLogan

Master Finding the area and perimeter of a triangle (mistake)

12th - Higher Ed
Master Finding the area and perimeter of a triangle (mistake)
Instructional Video2:59
Brian McLogan

What are roots, zeros and x intercepts and how can we tell the difference

12th - Higher Ed
In this video series I will go over the basic definitions used for this video series. We will go over what does solving mean, the zero product property and how can the discriminant help us solve a quadratic equation or function.
Instructional Video2:31
Brian McLogan

Determine the final value for Compound interest problems

12th - Higher Ed
Learn about compound interest. We will look at how to determine the final value, initial value, interest rate and years needed. We will investigate problems compounded continuously, daily, weekly, monthly, quarterly and yearly. These...
Instructional Video6:14
Brian McLogan

Determining the domain vertical asymptote and x intercept of a logarithm

12th - Higher Ed
๐Ÿ‘‰ Learn how to graph logarithmic functions. The logarithmic function is the inverse of the exponential function. To graph a logarithmic function, it is usually very useful to make the table of values of the function. This is done by...
Instructional Video3:15
Brian McLogan

Dividing rational expressions

12th - Higher Ed
Learn how to divide rational expressions. A rational expression is an expression in the form of a fraction, usually having variable(s) in the denominator. Recall that to divide by a fraction, we multiply by the reciprocal of the...