Brian McLogan
Sketch a triangle given a trig angle then determine remaining trig functions of angle
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Brian McLogan
Period as an aide with negative angles
👉 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...
Brian McLogan
How to Determine the Period and Amplitude of a Trigonometric Graph
👉 Learn how to graph a sine function. To graph a sine 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 the...
Brian McLogan
Evaluate trig functions without using a calculator using cofunction identities
👉 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...
Brian McLogan
How to find the missing length of a triangle without a calculator
How to find the missing length of a triangle without a calculator
Brian McLogan
Simplify 20 Basic Trigonometric Identities | Analytic Trigonometry | Skills Practice Worksheet
Simplify 20 Basic Trigonometric Identities | Analytic Trigonometry | Skills Practice Worksheet
Brian McLogan
Master Solving word problems with changing angles
Master Solving word problems with changing angles
Brian McLogan
What are even and odd trigonometric functions
In this video series we explore the definitions of trigonometric identities. It is very important when simplifying, verifying and solving trigonometric problems that we know the trig identities. We will explore the identities such as...
Brian McLogan
Using period as an aide with periodic functions
👉 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...
Brian McLogan
Master composing inverse trig functions using right triangles
Master composing inverse trig functions using right triangles
Brian McLogan
Using tangent to find the missing length of a triangle
👉 Learn how to find a missing side length of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a...
Brian McLogan
Master Solving trigonometric equations with two different trig functions
Master Solving trigonometric equations with two different trig functions
Brian McLogan
How to evaluate for cos without using a calculator or the unit circle
👉 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...
Brian McLogan
Using the period as an aide evaluate the function for the given trig function
👉 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...
Brian McLogan
Verify Trigonometric Identities | Analytic Trig | Pre-Calculus
In this lesson we will cover how to verify trigonometric identities. We will begin by reviewing simplifying trigonometric expressions using operations and identities. We will then work through the tips to verify trigonometric identities....
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.
Brian McLogan
4e definitions (Basics of Graphing Sine, Cosine, Tangent)
4e definitions (Basics of Graphing Sine, Cosine, Tangent)
Brian McLogan
Evaluate your point using period as an aide - free math help
👉 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...
Brian McLogan
Evaluate a trigonometric value using period as an aide - Online Math Teacher
👉 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...
Brian McLogan
Solve Three Trig Funtions Fast
Sometimes we need a long detailed explanation on how to do something and why it works. Other times we need to know the quickest and easiest way to solve something without all the fluff.
Brian McLogan
Simplify Basic Trigonometric Expressions | 8 Examples
When we are learning how to use trigonometric identities one of the first things we practice is simplifying basic identities. In this video I will work through some basic identities that you will want o know to make sure you have a...
Brian McLogan
Write the expression as a single trigonometric function
👉 Learn how to write a given sum or difference of two angles formula expression as a single sum/difference of angles trigonometric function. To do this, we first identify the trigonometric function for which its sum/difference formula is...