Instructional Video2:16
Brian McLogan

Rewriting a number in DMS form to decimal form

12th - Higher Ed
👉 Learn how to convert angles from DMS forms to decimal 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 Video1:38
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 Video3:52
Brian McLogan

How to use trig identities and cofunction to evaluate trig 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 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 Video1:13
Brian McLogan

How to evaluate for cosecant using even and odd properties

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 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 Video2:50
Brian McLogan

Evaluating for cosine 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 Video2:36
Brian McLogan

Evaluate a trigonometric angle when given in degrees minutes seconds

12th - Higher Ed
👉 Learn how to evaluate trigonometric functions using a calculator. To evaluate the trigonometric functions using a calculator, we just punch the necessary buttons on the calculator to obtain the result. While this may seem simple, most...
Instructional Video3:21
Brian McLogan

Using the half angle formula for cosine to evaluate for an angle cos

12th - Higher Ed
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Instructional Video8:40
Brian McLogan

How to find all the solutions to a trigonometric equation

12th - Higher Ed
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Instructional Video3:24
Brian McLogan

Evaluate the half angle for cosine of 22 5 degrees

12th - Higher Ed
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Instructional Video6:43
Brian McLogan

Applying descartes rule of signs to determine the number or real positive & negative zeros

12th - Higher Ed
👉 Learn about Descartes' Rule of Signs. Descartes' rule of the sign is used to determine the number of positive and negative real zeros of a polynomial function. Knowing the number of positive and negative real zeros enables also to also...
Instructional Video2:42
Brian McLogan

How To Evaluate a Logarithm Without a Calculator with a Fraction as the Base

12th - Higher Ed
👉 Learn how to evaluate logarithms with fractions. Recall that the logarithm of a number says a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n =...
Instructional Video3:54
Brian McLogan

Find the vertical and horizontal asymptotes

12th - Higher Ed
👉 Learn how to find the vertical/horizontal asymptotes of a function. An asymptote is a line that the graph of a function approaches but never touches. The vertical asymptote is a vertical line that the graph of a function approaches but...
Instructional Video1:14
Brian McLogan

Algebra 2 - How to Evaluate a Logarithmic Expression Using Rules of Logarithms

12th - Higher Ed
👉 Learn how to evaluate logarithm expression. Recall that the logarithm of a number say a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a)....
Instructional Video3:09
Brian McLogan

Algebra 2 - Expand a Logarithmic Expression and the Simplify at the End

12th - Higher Ed
👉 Learn how to evaluate natural logarithms. Recall that the logarithm of a number says a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a)....
Instructional Video8:34
Brian McLogan

Master evaluating the six trig functions when given an equation and constraint

12th - Higher Ed
Master evaluating the six trig functions when given an equation and constraint
Instructional Video6:06
Brian McLogan

Master Evaluating the double angle for Sine, Cosine and Tagent, given an equation and constraint

12th - Higher Ed
Master Evaluating the double angle for Sine, Cosine and Tagent, given an equation and constraint
Instructional Video1:25
Brian McLogan

Tutorial - Evaluating a Natural Logarithm for ln e

12th - Higher Ed
👉 Learn how to evaluate natural logarithms. Recall that the logarithm of a number says a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a)....
Instructional Video1:00
Brian McLogan

Evaluating logarithms without a calculator

12th - Higher Ed
👉 Learn all about the properties of logarithms. The logarithm of a number say a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a). The...
Instructional Video3:27
Brian McLogan

Evaluating Basic Logarithms Without a Calculator

12th - Higher Ed
👉 Learn how to evaluate basic logarithms. Recall that the logarithm of a number says a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) = n means that b^n = a). Thus,...
Instructional Video2:28
Brian McLogan

Learning to Find the Composition of Two Functions

12th - Higher Ed
Learn how to compose two linear functions. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of one of the functions with the value of the...
Instructional Video3:25
Brian McLogan

Evaluate the Composition of Two functions

12th - Higher Ed
Learn how to compose two functions where one or both of those functions is/are quadratic. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of...
Instructional Video1:49
Brian McLogan

Compose Two Functions and Find the Domain

12th - Higher Ed
Learn how to compose two functions where one or both of those functions is/are rational. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of...