Brian McLogan
Using the half angle formula for cosine to evaluate for an angle cos
👉 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...
Brian McLogan
How to find all the solutions to a trigonometric equation
👉 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...
Brian McLogan
Evaluate the half angle for cosine of 22 5 degrees
👉 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...
Brian McLogan
Applying descartes rule of signs to determine the number or real positive & negative zeros
👉 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...
Brian McLogan
How To Evaluate a Logarithm Without a Calculator with a Fraction as the Base
👉 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 =...
Brian McLogan
Find the vertical and horizontal asymptotes
👉 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...
Brian McLogan
Algebra 2 - How to Evaluate a Logarithmic Expression Using Rules of Logarithms
👉 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)....
Brian McLogan
Algebra 2 - Expand a Logarithmic Expression and the Simplify at the End
👉 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)....
Brian McLogan
Master evaluating the six trig functions when given an equation and constraint
Master evaluating the six trig functions when given an equation and constraint
Brian McLogan
Master Evaluating the double angle for Sine, Cosine and Tagent, given an equation and constraint
Master Evaluating the double angle for Sine, Cosine and Tagent, given an equation and constraint
Brian McLogan
Tutorial - Evaluating a Natural Logarithm for ln e
👉 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)....
Brian McLogan
Evaluating logarithms without a calculator
👉 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...
Brian McLogan
Evaluating Basic Logarithms Without a Calculator
👉 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,...
Brian McLogan
Learning to Find the Composition of Two Functions
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...
Brian McLogan
Evaluate the Composition of Two functions
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...
Brian McLogan
Compose Two Functions and Find the Domain
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...
Brian McLogan
Can you evaluate these 16 Logarithms without a calculator?
In this video I work through 16 different examples of evaluating a logarithm with a base of 2 and 3. We will evaluate logarithms that have an argument of integers and fractions.
Brian McLogan
Show the zero exists by the Intermediate Value Theorem
Show the zero exists by the Intermediate Value Theorem
Curated Video
Evaluating Expressions: Understanding the Difference between Evaluating and Solving.
In this video, the teacher explains the difference between evaluating and solving expressions and reviews the order of operations. They give examples of how to evaluate expressions when given a value for the variable and provide tips for...
Brian McLogan
What do I need to know for solving trigonometric equations
👉 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...
Curated Video
Bloom's Taxonomy: A Guide to Structured Learning
This video explains Bloom's taxonomy, a tool for organizing and classifying learning objectives into six levels: remember, understand, apply, analyze, evaluate, and create. It provides examples of how to apply each level using lemons as...
Brian McLogan
What are the sum and difference formulas for tangent
👉 Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal,...
Brian McLogan
Pre-Calculus - Using the difference of two angles to evaluate the an angle for cosine, cos195
👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
Using the half angle formula for tangent to evaluate from a triangle
👉 Learn how to evaluate the tangent of a half-angle. When given the value of the tangent of an angle, we can evaluate the tangent of half the angle using the tangent half-angle formula. When the value of any other trigonometric function...