Instructional Video6:32
Brian McLogan

Evaluate sine cosine and tangent for a point on 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 Video4:29
Brian McLogan

Determining 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 Video4:29
Brian McLogan

What is a directed line segment or vector

12th - Higher Ed
in this video series I will show you how to find the angle of a vector when given in component form or as a linear combination. To understand the direction of a vector it is important to go back to the unit circle and determine how we...
Instructional Video8:13
Brian McLogan

Understanding coterminal angles in trigonometry

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 Video2:12
Brian McLogan

Sketching a negative angle 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 Video3:06
Brian McLogan

Pc Unit 3 How to evaluate for sine using the unit circle for an angle larger than 2pi

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 Video3:25
Brian McLogan

How to determine two coterminal angles when above 360 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 Video7:01
Brian McLogan

Evaluating the cosine of an angle 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 Video2:56
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 Video2:06
Brian McLogan

How to determine the coterminal acute positive angle

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 Video5:16
Brian McLogan

Finding coterminal angles using graphs

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 Video5:01
Brian McLogan

Evaluate for sine cosine and tangent using reference 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 Video2:45
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 Video3:30
Brian McLogan

How to determine which quadrant an angle lies in

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 Video9:32
Brian McLogan

Master how to find two coterminal angles 1 positive 1 negative

12th - Higher Ed
Master how to find two coterminal angles 1 positive 1 negative
Instructional Video2:51
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 Video5:02
Brian McLogan

Finding two coterminal angles given in radians

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 Video0:55
Brian McLogan

Learn how to graph a positive angle in standard form

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 Video2:20
Brian McLogan

Given a whole number in radians find the quadrant the angle lies

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 Video4:38
Brian McLogan

Find the reference angle and sketch both angles in standard position

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 Video3:24
Brian McLogan

Find the reference angle and sketch both angles in standard position

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 Video5:23
Brian McLogan

Evaluate for sine cosine and tangent using reference angles

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 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 Video1:17
Brian McLogan

Learn how to graph an angle in terms of pi in standard form

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...