Instructional Video4:58
Brian McLogan

Graphing the Cosine Function with a Change in the Period

12th - Higher Ed
👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (the maximum point on the graph), the period (the distance/time for a complete oscillation), the phase shift (the horizontal shift from...
Instructional Video0:48
Brian McLogan

Evaluating for cosine using even and odd functions

12th - Higher Ed
👉 Learn how to evaluate trigonometric functions using trigonometric identities. Trigonometric identities are equalities that involve trigonometric functions. We will focus on the cofunction identities and even-odd identities. The...
Instructional Video2:47
Brian McLogan

How to find the missing side of a right triangle without a calculator

12th - Higher Ed
How to find the missing side of a right triangle without a calculator
Instructional Video2:37
Brian McLogan

Find the missing side of a right triangle without a calculator

12th - Higher Ed
Find the missing side of a right triangle without a calculator
Instructional Video17:52
Brian McLogan

Master Evaluating the inverse of trigonometric functions without a calculator

12th - Higher Ed
Master Evaluating the inverse of trigonometric functions without a calculator
Instructional Video3:52
Brian McLogan

Learn how to write an angle in decimal form to DMS form

12th - Higher Ed
👉 Learn how to convert angles from decimal forms to DMS forms. DMS means Degree, Minutes, and Seconds. Minutes is represented by a single apostrophe (') while seconds is represented with double apostrophe ("). 60 seconds = 1 minute and...
Instructional Video1:05
Brian McLogan

How to write the radian measure of an angle in 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 Video4:40
Brian McLogan

Learn how to find the six trig functions given a point and using reference angles

12th - Higher Ed
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Instructional Video4:10
Brian McLogan

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

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 Video1:18
Brian McLogan

Math tutorial for converting an angle from 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 Video5:58
Brian McLogan

How to solve an equation with cosine

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 Video4:51
Brian McLogan

How to use reference angles to help evaluate for an angle

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 Video2:18
Brian McLogan

Math tutorial for converting an angle from degrees to radians

12th - Higher Ed
👉 Learn all about angles of trigonometry. In this playlist, we will explore what makes up an angle and how to graph an angle in degrees or radians to determine the quadrant. We will then take a look at angle relationships such as...
Instructional Video1:32
Brian McLogan

Learn how to evaluate secant for an angle on the unit circle

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 Video2:36
Brian McLogan

Learn how to evaluate for the secant of a negative angle using the unit circle

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 Video2:50
Brian McLogan

How to use period as an aide to evaluate for the tangent function of an angle

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 Video1:38
Brian McLogan

Learn how to evaluate and graph for the tangent of an angle

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 Video1:59
Brian McLogan

How to use the unit circle to evaluate for cotangent when undefined

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 Video6:57
Brian McLogan

Graphing the Secant Function with a Change in Period and Reflection

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...
Instructional Video6:03
Brian McLogan

Learn how to evaluate for sine using coterminal and 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 Video4:39
Brian McLogan

Tutorial for using the unit circle to evaluate for tangent when angle is greater than

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 Video4:29
Brian McLogan

Learn how to find the sine of 5 pi over 4 without a calculator

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 Video13:55
Brian McLogan

Master composing inverse trig functions using the unit circle

12th - Higher Ed
Master composing inverse trig functions using the unit circle
Instructional Video5:54
Brian McLogan

How to evaluate for cos without using a calculator or the unit circle

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...