Instructional Video3:28
Brian McLogan

Easy way to find the derivative given the definition of derivative

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the limit of a function using the difference quotient formula. The difference quotient is a measure of the average rate of change of the function over an interval, h. The limit of the difference quotient gives the...
Instructional Video0:58
Brian McLogan

How do the lengths of tangent and secant line compare from a point outside of a circle

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Instructional Video6:55
Brian McLogan

Understand local linearity and formal definitions of the derivative

12th - Higher Ed
πŸ‘‰ Learn how to evaluate the limit of a function using the difference quotient formula. The difference quotient is a measure of the average rate of change of the function over an interval, h. The limit of the difference quotient gives the...
Instructional Video3:26
Brian McLogan

Learning how to find the measure of a minor arc for a circle

12th - Higher Ed
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Instructional Video1:47
Brian McLogan

How to find the perimeter of a triangle given a lot of tangent lines

12th - Higher Ed
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Instructional Video1:16
Brian McLogan

How do two tangents line compare if they run through the same point

12th - Higher Ed
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Instructional Video1:55
Brian McLogan

Using the idea that two tangent lines from a point are equal find the perimeter of a circle

12th - Higher Ed
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Instructional Video1:10
Brian McLogan

How do the lengths of two secant lines from a point outside a circle compare

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Instructional Video1:21
Brian McLogan

What is the difference between a secant and tangent line

12th - Higher Ed
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
Instructional Video3:30
Brian McLogan

Learn to find the missing angle outside of a circle with a secant and tangent line

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Instructional Video2:08
Brian McLogan

Given a line tangent to a circle find the value of x

12th - Higher Ed
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Instructional Video0:49
Brian McLogan

Given two tangent lines determine the measure of x

12th - Higher Ed
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Instructional Video3:48
Brian McLogan

Find the angle of depression using trigonometry

12th - Higher Ed
πŸ‘‰ Learn how to solve the word problems with trigonometry. Word problems involving angles, including but not limited to: bearings, angle of elevations and depressions, triangles problems etc are solved using trigonometry. To be able to...
Instructional Video1:37
Brian McLogan

How to find the measure of an angle that is inscribed from a secant and tangent line

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Instructional Video1:34
Brian McLogan

How to find the measure of a major arc of a circle

12th - Higher Ed
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Instructional Video1:37
Brian McLogan

What is the definition of a tangent line to a circle

12th - Higher Ed
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
Instructional Video6:10
Brian McLogan

Determine the missing value for the length on a secant line using a tangent line

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Instructional Video4:09
Brian McLogan

Explaining position velocity and acceration definitions

12th - Higher Ed
πŸ‘‰ Learn how to solve particle motion problems. Particle motion problems are usually modeled using functions. Now, when the function modeling the position of the particle is given with respect to the time, we find the speed function of...
Instructional Video0:54
Brian McLogan

How to solve for x when given two tangent lines to a circle

12th - Higher Ed
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Instructional Video4:09
Brian McLogan

Explaining position velocity and accelration definitions

12th - Higher Ed
πŸ‘‰ Learn how to solve particle motion problems. Particle motion problems are usually modeled using functions. Now, when the function modeling the position of the particle is given with respect to the time, we find the speed function of...
Instructional Video1:12
Brian McLogan

How to determine the angle of an inscribed angle of a tangent and secant line

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Instructional Video0:57
Brian McLogan

What is the definition of a secant line

12th - Higher Ed
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
Instructional Video2:55
Brian McLogan

Determine the missing value based on the length of two secant lines

12th - Higher Ed
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
Instructional Video22:41
Schooling Online

IB Physics Mechanics: Distance-Time and Displacement-Time Graphs

3rd - Higher Ed
Mark Brent’s coffee run takes a turn for the worse when he has a nasty encounter with Negative Nancy! This lesson will discover the importance of distance-time graphs and displacement-time graphs for representing motion. Definitions...