Instructional Video3:30
Brian McLogan

How to determine which quadrant an angle lies in

12th - Higher Ed
πŸ‘‰ 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 Video2:42
Brian McLogan

Find the coordinate point of the given angle

12th - Higher Ed
πŸ‘‰ Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...
Instructional Video1:10
Brian McLogan

Find the coordinate point of the given angle

12th - Higher Ed
πŸ‘‰ Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...
Instructional Video5:08
Brian McLogan

Learning to solve an equation by using the sum and difference formulas

12th - Higher Ed
πŸ‘‰ 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 Video4:28
Brian McLogan

What does a logarithmic graph look like

12th - Higher Ed
πŸ‘‰ Learn all about graphing logarithmic functions. A logarithmic function is a function with logarithms in them. The graph of the parent function of a logarithmic function usually takes its domain from the positive x-axis. To graph a...
Instructional Video55:04
Brian McLogan

Multiple Examples to find all the asymptotes and intercepts of rational functions

12th - Higher Ed
Multiple Examples to find all the asymptotes and intercepts of rational functions
Instructional Video7:12
Curated Video

Finding the Centroid of a Triangle Using Vector Geometry and Coordinate Points

Higher Ed
The video is a lecture presentation on vector geometry and the ratio theorem, with a focus on the centroid of a triangle. The presenter explains the concept of a centroid, which is the point of concurrency of a triangle formed by the...
Instructional Video2:25
Brian McLogan

Applying the midpoint formula to find the midpoint between two points

12th - Higher Ed
πŸ‘‰ Learn how to find the midpoint between two points. The midpoint between two points is the point halfway the line joining two given points in the coordinate plane. To find the midpoint between two points we add the x-coordinates of the...
Instructional Video7:07
Brian McLogan

Why the unit circle is so helpful for us to evaluate trig functions

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 Video4:10
Brian McLogan

How to evaluate for secant of a negative angle using period as an aide

12th - Higher Ed
πŸ‘‰ 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 Video3:22
Brian McLogan

Evaluating trigonometric functions using the reference angle

12th - Higher Ed
πŸ‘‰ 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 Video5:23
Brian McLogan

Evaluate for sine cosine and tangent using reference angles

12th - Higher Ed
πŸ‘‰ Learn how to find the reference angle of a given angle. The reference angle is the acute angle formed by the terminal side of an angle and the x-axis. To find the reference angle, we determine the quadrant on which the given angle lies...
Instructional Video6:43
Brian McLogan

Math tutorial for using the sum of two angles formula of sine for 105 degrees

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video6:13
Brian McLogan

Find the exact value using difference formula of two angles with sine

12th - Higher Ed
πŸ‘‰ 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...
Instructional Video5:16
Brian McLogan

Solving an equation using the sum and difference formulas for cosine

12th - Higher Ed
πŸ‘‰ 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 Video4:17
Brian McLogan

How to evaluate the difference of two angles for tangent

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the tangent of an angle in degrees 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 Video2:57
Brian McLogan

How to evaluate sum of two angles using the sum formula for sine

12th - Higher Ed
πŸ‘‰ 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 Video12:15
Brian McLogan

Define transformation notation

12th - Higher Ed
Define transformation notation
Instructional Video2:07
Brian McLogan

Find the coordinate point of the given angle

12th - Higher Ed
πŸ‘‰ Learn how to find the point on the unit circle given the angle of the point. A unit circle is a circle whose radius is 1. Given an angle in radians, to find the coordinate of points on the unit circle made by the given angle with the...
Instructional Video2:25
Brian McLogan

Evaluate the cosine of an angle using period as an aide

12th - Higher Ed
πŸ‘‰ 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 Video7:47
Brian McLogan

Solve a trigonometric equation with the sum and difference formulas for sine

12th - Higher Ed
πŸ‘‰ 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 Video6:37
Brian McLogan

Evaluate tangent for the difference of two angles and simplify, tan

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the tangent of an angle in degrees 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 Video5:43
Brian McLogan

Learn how to evaluate the sum of two angles with tangent

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the tangent of an angle in degrees 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 Video2:23
Brian McLogan

How to use substitution to solve a system of equations

12th - Higher Ed
πŸ‘‰Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...