Instructional Video1:57
Brian McLogan

Learn how to determine the reference angle of an angle in terms of pi

12th - Higher Ed
👉 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 Video1:56
Brian McLogan

How to determine the reference angle of an angle in degrees

12th - Higher Ed
👉 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 Video1:08
Brian McLogan

Find the reference angle of a negative angle

12th - Higher Ed
👉 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 Video3:23
Brian McLogan

Determine two coterminal angles positive and negative

12th - Higher Ed
👉 Learn how to determine co-terminal angles given one angle. 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....
Instructional Video5:30
Brian McLogan

What is the definition of a reference angle and how do I use it

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 Video3:42
Brian McLogan

How to find coterminal angles using drawings

12th - Higher Ed
👉 Learn how to determine co-terminal angles given one angle. 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....
Instructional Video1:35
Brian McLogan

Why not all angles have reference 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 Video4:33
Brian McLogan

Determine two coterminal angles positive and negative

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 Video10:15
Brian McLogan

Understanding radians and fraction of radians

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 Video3:23
Brian McLogan

Determine two coterminal angles positive and negative

12th - Higher Ed
👉 Learn how to determine co-terminal angles given one angle. 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....
Instructional Video6:23
Brian McLogan

Learn how to evaluate for an angle by sketching the angle and using reference angles

12th - Higher Ed
👉 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 Video3:09
Brian McLogan

Learn how to find the smallest positive and negative coterminal angles

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 Video3:39
Brian McLogan

Determine two coterminal angles positive and negative

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 Video2:59
Brian McLogan

Determine the smallest positive and negative coterminal angles in degrees

12th - Higher Ed
👉 Learn how to determine co-terminal angles given one angle. 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....
Instructional Video1:52
Brian McLogan

What is the point on the unit circle for pi

12th - Higher Ed
👉 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 Video1:55
Brian McLogan

Learn to find the reference angle of a negative angle in terms of pi

12th - Higher Ed
👉 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 Video3:44
Brian McLogan

Find a positive and negative coterminal angle for angle on the y axis

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 Video6:26
Brian McLogan

Finding two coterminal angles for a given angle in terms of pie

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 Video3:39
Brian McLogan

Determine two coterminal angles positive and negative

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 Video4:49
Brian McLogan

How to evaluate trig functions with the unit circle

12th - Higher Ed
👉 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 Video2:16
Brian McLogan

How to Graph an Angle in Terms of PI

12th - Higher Ed
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Instructional Video2:04
Brian McLogan

How to determine one positive and one negative coterminal angle

12th - Higher Ed
👉 Learn how to determine co-terminal angles given one angle. 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....
Instructional Video5:21
Brian McLogan

Find the reference angle and sketch both angles in standard position

12th - Higher Ed
👉 Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Instructional Video3:05
Brian McLogan

Find the coordinate point of the given angle

12th - Higher Ed
👉 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...