Instructional Video4:50
Brian McLogan

How to determine the change in asymptotes of the cosecant

12th - Higher Ed
👉 Learn how to graph a cosecant function. To graph a cosecant function, we start with the sine graph by first determining the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the...
Instructional Video3:57
Brian McLogan

What is the period of tangent and cotangent

12th - Higher Ed
👉 Learn the basics of graphing a tangent and a cotangent function. To plot the tangent and the cotangent graph we choose a set of points and form a table of values with which we plot the points on the x-y coordinate axis to obtain the...
Instructional Video5:16
Brian McLogan

Solving an equation using the sum and difference formulas for cosine

12th - Higher Ed
👉 Learn how to solve equations using the angles sum and difference identities. Using the angles sum and difference identities, we are able to expand the trigonometric expressions, thereby obtaining the values of the non-variable terms....
Instructional Video5:01
Brian McLogan

Evaluate the difference of two angles for sine

12th - Higher Ed
👉 Learn how to evaluate the sine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Instructional Video6:32
Brian McLogan

Master how to sketch an angle in radians and determine the quadrant

12th - Higher Ed
Master how to sketch an angle in radians and determine the quadrant
Instructional Video1:25
Brian McLogan

Learn how to convert a negative angle in radians to degrees

12th - Higher Ed
👉 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 Video3:08
Brian McLogan

How to use factoring to solve a trigonometric equation

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video4:32
Brian McLogan

What are coterminal angles?

12th - Higher Ed
👉 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 Video4:11
Brian McLogan

How to create a right triangle to compose trig functions

12th - Higher Ed
👉 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 Video4:09
Brian McLogan

Why do we add intervals of 2pi to our solution

12th - Higher Ed
👉 Learn about the angles on 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...
Instructional Video12:35
Curated Video

Classifying Real Numbers

9th - 12th
In this video lesson we will learn how to identify numbers as real, irrational, rational, integer and whole. We will review the definitions of each of the sets of numbers and understand how to use what we know to classify values. We will...
Instructional Video3:53
Brian McLogan

How to Math - Determine what quadrant an angle lies in - Free Math Help Videos

12th - Higher Ed
👉 Learn how to determine the quadrant of an angle given in radians. Recall that 1 radian is the distance on the circumference of the circle that is equivalent to the radius of the circle. Also, recall that the circumference of a circle...
Instructional Video4:07
Brian McLogan

Finding the complement and supplement of two angles in radians

12th - Higher Ed
👉 Learn how to find the complement and the supplement of a given angle. Two angles are said to be complementary if they add up to 90 degrees (pi/2 in radians) and are said to be supplementary if they add up to 180 degrees (pi in...
Instructional Video2:48
Brian McLogan

Find two coterminal angles for a negative angle in standard form

12th - Higher Ed
👉 Learn the basics of co-terminal angles. An angle is a figure formed by two rays that have a common endpoint. The two rays are called the sides of the angle while the common endpoint is called the vertex of the angle. We measure angles...
Instructional Video2:50
Brian McLogan

Evaluating for cosine using coterminal angles

12th - Higher Ed
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Instructional Video6:30
Brian McLogan

Solving for all the solutions with sine using inverse operations

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video4:59
Brian McLogan

Solving a trigonometric equation by taking the square root of both sides

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video2:28
Curated Video

Expressing Rational Numbers as Repeating Decimals (Part 1)

K - 12th
Express rational numbers as repeating decimals.
Instructional Video3:52
CuriosaMente

¿Qué es Pi?

9th - 12th
Un número asombroso: el singular π Pi (π) es una constante matemática que expresa la relación entre el diámetro de un círculo y su perímetro. A lo largo de la historia, los matemáticos han intentado calcular Pi con mayor precisión. Pi es...
Instructional Video7:05
Brian McLogan

Understand where the reciprocal and Quotient Identities come from

12th - Higher Ed
👉 Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
Instructional Video6:41
Brian McLogan

Solving for sine with no constraints

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video9:40
Brian McLogan

Learn to solve for all the solutions with multi angle

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video2:53
Brian McLogan

How to solve a trigonometric equation using cofunction identities

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric identities, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video6:19
Brian McLogan

How to graph secant and label the parts

12th - Higher Ed
👉 Learn how to graph a secant function. To graph a secant function, we start with the cosine graph by first determining the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase...