Instructional Video4:43
Curated Video

Solving Linear Equations with Fractions and Decimal Coefficients

K - 5th
In this video, the teacher explains how to solve linear equations that involve fractions and decimal coefficients. They introduce the concept of equations being like a scale that needs to balance on both sides.
Instructional Video0:57
Brian McLogan

Write an expression as a single function using the sum and difference formulas

12th - Higher Ed
πŸ‘‰ Learn how to write a given sum or difference of two angles formula expression as a single sum/difference of angles trigonometric function. To do this, we first identify the trigonometric function for which its sum/difference formula is...
Instructional Video3:18
Brian McLogan

Finding the quotient of two mixed numbers

12th - Higher Ed
πŸ‘‰ Learn how to divide mixed numbers. To divide mixed numbers, we first convert the mixed numbers to improper fractions. After we have converted the mixed numbers to improper fractions, we can then multiply the first fraction by the...
Instructional Video8:42
Brian McLogan

Using the slope formula to determine if points make up a rectangle

12th - Higher Ed
πŸ‘‰ Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of...
Instructional Video3:20
Brian McLogan

Applying the difference of two squares to solve a quadratic

12th - Higher Ed
πŸ‘‰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 Video3:40
Brian McLogan

How to determine the sum of a infinite geometric series

12th - Higher Ed
πŸ‘‰ Learn how to find the geometric sum of a series. A series is the sum of the terms of a sequence. A geometric series is the sum of the terms of a geometric sequence. The formula for the sum of n terms of a geometric sequence is given by...
Instructional Video4:38
Brian McLogan

Learn how to create a triangle and evaluate all six trig functions given cosecant

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Instructional Video1:46
Brian McLogan

Condensing a logarithmic expression and simplifying the expression

12th - Higher Ed
πŸ‘‰ Learn how to condense logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the expanded...
Instructional Video1:25
Brian McLogan

Find the paticular solution given a reciprocal function and condition

12th - Higher Ed
πŸ‘‰ Learn how to find the particular solution to the 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 indefinite integral...
Instructional Video6:15
Curated Video

Graphs of Trigonometric Functions

K - 5th
In this lesson, students will learn about the graphs of the four trigonometric functions (tangent, cotangent, secant, and cosecant) by relating them to the sine and cosine graphs. They will understand the patterns, zeros, and asymptotes...
Instructional Video2:49
Brian McLogan

How to determine the quotient between two mixed numbers

12th - Higher Ed
πŸ‘‰ Learn how to divide mixed numbers. To divide mixed numbers, we first convert the mixed numbers to improper fractions. After we have converted the mixed numbers to improper fractions, we can then multiply the first fraction by the...
Instructional Video4:16
Curated Video

Understanding the Domain of Trigonometric Functions: Examining Denominators of Trig Ratios

K - 5th
In this video, students will learn about the domain of the six trigonometric functions by examining the denominators of the trig ratios. They will understand the reciprocal pairs of the trig functions and how they can be rewritten in...
Instructional Video4:52
Brian McLogan

How to use the half angle formula for tangent tan75

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Instructional Video3:08
Brian McLogan

Graph piecewise functions logarithmic and reciprocal

12th - Higher Ed
πŸ‘‰ Learn how to graph piecewise functions. A piecewise function is a function which have more than one sub-functions for different sub-intervals(sub-domains) of the function's domain. To graph a piecewise function, we graph the different...
Instructional Video4:31
Brian McLogan

Finding the exact value for sine of 15 degrees using the half angle formula

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Instructional Video3:28
Brian McLogan

How to use the half angle formula for tangent to evaluate for an angle

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the tangent of a half-angle. When given the value of the tangent of an angle, we can evaluate the tangent of half the angle using the tangent half-angle formula. When the value of any other trigonometric function...
Instructional Video3:12
Brian McLogan

Dividing rational expressions

12th - Higher Ed
πŸ‘‰ Learn how to simplify expressions by dividing its terms. Remember that dividing a fraction is the same as multiplying by the reciprocal. When multiplying expressions, each individual term of the expression is multiplied to its like...
Instructional Video3:13
Brian McLogan

How to determine the quotient of two negative mixed numbers

12th - Higher Ed
πŸ‘‰ Learn how to divide mixed numbers. To divide mixed numbers, we first convert the mixed numbers to improper fractions. After we have converted the mixed numbers to improper fractions, we can then multiply the first fraction by the...
Instructional Video3:27
Brian McLogan

How to write the transformations given a square root function

12th - Higher Ed
πŸ‘‰ Learn how to identify transformations of functions. Transformation of a function involves alterations to the graph of the parent function. The transformations can be dilations, translations (shifts), reflection, stretches, shrinks,...
Instructional Video8:06
Brian McLogan

How do you simplify trigonometric expressions

12th - Higher Ed
πŸ‘‰ Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Instructional Video5:22
Brian McLogan

Simplifying trigonometric expressions by using pythagorean identities

12th - Higher Ed
πŸ‘‰ Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the terms on the left-hand side of the equality sign is equal to the terms on the right-hand side. To...
Instructional Video4:13
Brian McLogan

Writing the perpendicular equation of a line

12th - Higher Ed
πŸ‘‰ Learn how to write the equation of a line that is perpendicular to a given line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various...
Instructional Video3:10
Brian McLogan

Learn how to solve and graph the solution for a compound inequality

12th - Higher Ed
πŸ‘‰ Learn how to solve and graph compound linear inequalities. A compound inequality is an inequality having more than 1 inequality sign. To solve compound inequalities, we use inverse operations, applying the inverse operation to each...
Instructional Video4:06
Brian McLogan

Determine a line perpendicular to to another through a given point using point slope form

12th - Higher Ed
πŸ‘‰ Learn how to write the equation of a line that is perpendicular to a given line. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various...