Instructional Video1:42
Brian McLogan

Using Similarity and proportions to find the missing values

12th - Higher Ed
πŸ‘‰ Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Instructional Video3:25
Brian McLogan

Finding the value of x using complementary angles - Online Tutor

12th - Higher Ed
πŸ‘‰ Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Instructional Video6:24
Brian McLogan

Learn how to construct the unit circle

12th - Higher Ed
πŸ‘‰ Learn about the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle intersects the x-...
Instructional Video3:01
Brian McLogan

Evaluate the composition of inverse trig function in terms of x

12th - Higher Ed
πŸ‘‰ Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Instructional Video1:51
Brian McLogan

Evaluate the inverse trig function in composition

12th - Higher Ed
πŸ‘‰ Learn how to evaluate an expression with the composition of a function and a function inverse. Just like every other mathematical operation, when given a composition of a trigonometric function and an inverse trigonometric function,...
Instructional Video3:18
Brian McLogan

How to write the equation of a hyperbola given the asymptotes and vertical transverse axis

12th - Higher Ed
Learn how to write the equation of hyperbolas given the characteristics of the hyperbolas. The standard form of the equation of a hyperbola is of the form: (x - h)^2 / a^2 - (y - k)^2 / b^2 = 1 for horizontal hyperbola or (y - k)^2 / a^2...
Instructional Video2:12
Brian McLogan

Use even and odd identities to evaluate trig functions

12th - Higher Ed
πŸ‘‰ Learn how to evaluate trigonometric functions using trigonometric identities. Trigonometric identities are equalities that involve trigonometric functions. We will focus on the cofunction identities and even-odd identities. The...
Instructional Video1:18
Brian McLogan

How to convert pi halves to degree measure

12th - Higher Ed
πŸ‘‰ Learn how to convert angles from radians to degrees. Recall that pi radians is equivalent to 180 degrees. Thus, when given an angle in radians, to convert the angle to degrees we multiply the given angle radians by the ratio 180/pi.
Instructional Video6:32
Brian McLogan

Evaluate sine cosine and tangent for a point on the unit circle

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Instructional Video3:31
Brian McLogan

Evaluate for sine, cosine and tangent of an angle using the unit circle

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Instructional Video4:35
Brian McLogan

Verifying a trigonometric Identities

12th - Higher Ed
πŸ‘‰ Learn how to verify trigonometric identities involving the addition and subtraction of terms. To do this it is usually useful to convert the addition or subtraction terms in terms of one trigonometric function and then evaluate....
Instructional Video5:15
Brian McLogan

Tutorial for verifying a trigonometric identity

12th - Higher Ed
πŸ‘‰ Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term(s) on the left hand side of the equality sign is equal to the term(s) on the right hand side. To...
Instructional Video1:19
Brian McLogan

How to use sum and difference of two angles to verify an identity

12th - Higher Ed
πŸ‘‰ Learn how to verify the sum and difference of two angles trigonometric identities using the sum/difference formulas. To verify an identity means to ascertain that the left-hand side is equal to the right-hand side of the equality sign....
Instructional Video1:41
Brian McLogan

Evaluate cosine sum and difference identity given as expression

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 Video1:34
Brian McLogan

Evaluate a trig function written as a sum or difference expression

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 Video1:33
Brian McLogan

What is the formula for the law of sines

12th - Higher Ed
πŸ‘‰ 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

Subtracting two radical expressions with variable radicands

12th - Higher Ed
πŸ‘‰ Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Instructional Video6:17
Curated Video

CSS Bootcamp: Master CSS (Including CSS Grid/Flexbox) - How to Create Grid

Higher Ed
CSS Grid: How to Create Grid<br/<br/>>

This clip is from the chapter "CSS Grid" of the series "CSS Bootcamp: Master CSS (Including CSS Grid/Flexbox)".Learn about CSS Grid here
Instructional Video5:13
Brian McLogan

With Fractions, solve using the difference of two squares

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 Video3:52
Brian McLogan

Factoring a trinomial using the diamond method

12th - Higher Ed
πŸ‘‰Learn how to factor quadratics. A quadratic is an algebraic expression having two as the highest power of its variable(s). To factor an algebraic expression means to break it up into expressions that can be multiplied together to get...
Instructional Video2:55
Brian McLogan

Determine the roots of the quadratic function with fraction coefficients

12th - Higher Ed
πŸ‘‰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 Video9:28
Brian McLogan

Master Simplifyig the cube root of a number

12th - Higher Ed
Master Simplifyig the cube root of a number
Instructional Video2:42
Brian McLogan

Math tutorial for graphing an exponential function with transformations

12th - Higher Ed
πŸ‘‰ Learn how to graph exponential functions involving horizontal shift. An exponential function is a function that increases rapidly as the value of x increases. To graph an exponential function, it is usually very useful to make the...
Instructional Video2:40
Brian McLogan

How to find the inverse and then determine if the inverse is a function

12th - Higher Ed
πŸ‘‰ Learn how to find the inverse of a quadratic function. A quadratic function is a function whose highest exponent in the variable(s) of the function is 2. The inverse of a function is a function that reverses the "effect" of the...