Brian McLogan
Simplifying a basic trigonometric expression
👉 Learn how to simplify trigonometric expressions by factoring, expansion, and re-grouping. To simplify a trigonometric identity means to reduce the identity to the simplest form it can take which may be a number or a simple...
Brian McLogan
Simplify a trig expression by multiplying a cosine
👉 Learn how to simplify trigonometric expressions by factoring, expansion, and re-grouping. To simplify a trigonometric identity means to reduce the identity to the simplest form it can take which may be a number or a simple...
Brian McLogan
Rationalize the denominator to simplify a trig expression
👉 Learn how to simplify trigonometric expressions by factoring, expansion, and re-grouping. To simplify a trigonometric identity means to reduce the identity to the simplest form it can take which may be a number or a simple...
Brian McLogan
Multiply two binomials of trigonometric terms to simplify your expression
👉 Learn how to simplify trigonometric expressions by factoring, expansion, and re-grouping. To simplify a trigonometric identity means to reduce the identity to the simplest form it can take which may be a number or a simple...
Brian McLogan
Learn how to verify an identity squaring a binomial
👉 Learn how to verify trigonometric identities by expanding the trigonometric expressions. When the given trigonometric expressions involve multiplications with more than one term in parenthesis, we start by expanding the expressions...
Brian McLogan
Learn how to verify a simple trigonometric identity
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term on the left hand side of the equality sign is equal to the term on the right hand side. To...
Brian McLogan
How to use trig identities to divide two trig functions
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Brian McLogan
How to simplify a trigonometric expression
👉 Learn how to simplify rational identities involving addition and subtraction. To simplify rational identities involving addition and subtraction, first, we find the LCM of the denominators which most time is the product of the terms in...
Brian McLogan
How to evaluate the half angle of tangent in radians
👉 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 determine sine of a half angle using the formula
👉 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
Tutorial for solving a trig equation with half angle and sine
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include by factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Solving a trigonometric equation with cosine equal to negative one
👉 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...
Brian McLogan
How to apply inverse operations to find all of the solutions to an equation with cosine
👉 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
Factor 6 Trig Expressions Under 8mins
Factoring can be tough and factoring trigonometric expressions can seem impossible. However by using a little substitution we can make these problems finally make some sense.
Brian McLogan
Given the Value of Cotangent Find the Angle Measurement
👉 Learn how to evaluate the inverse of reciprocal trigonometric functions. Recall that the reciprocal trigonometric functions are given by the ratio of 1 and the corresponding trigonometric function. When an angle is unknown but the...
Brian McLogan
What you need to know to evaluate without the unit circle
In this video I will show you step by step what you need to know evaluate using the unit circle, what it is and why we do it.
Brian McLogan
Master how to find the angle between two vectors
Master how to find the angle between two vectors
Brian McLogan
Master Evaluating the half angle for sine, cosine, and tangent given an angle
Master Evaluating the half angle for sine, cosine, and tangent given an angle
Brian McLogan
Pre-Calculus - Learn how to simplify a trigonometric expression using cofunction identities
In this video series I will show you how to simplify trigonometric expressions. We will simplify these expression to either a single trigonometric term or number. To simplify we will use trigonometric identities such as Pythagorean,...
Brian McLogan
Master how to determine theta in radians when given arc length and the radius
Master how to determine theta in radians when given arc length and the radius
Brian McLogan
Master Simplifying rational trigonometric expressions
Master Simplifying rational trigonometric expressions
Brian McLogan
One Simple Trick To Help Solve This Equation
Students often overlook how to solve trigonometric equations using inverse operations. However once the math gets difficult they get stuck. Use this simple little trick to help you solve any trigonometric equation
Brian McLogan
Whats the difference in their solutions and how you find it?
What is the difference between solving a trigonometric equation when the angle is just theta, a half angle or a double angle. In this video we will explore not only the algebraic process but the graphical approach.
Curated Video
Data Analytics using Python Visualizations - Creating 3D Plots Including 3D Contours
This video explains creating 3D plots including 3D contours. This clip is from the chapter "Matplotlib and Seaborn – Libraries and Techniques" of the series "Data Analytics Using Python Visualizations".This section introduces you to...