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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...
Brian McLogan
Given the Value of a Trigonometric Function Find the Angle
👉 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
Using the period to help evaluate a trig function for an angle - 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
Verify Three Basic Trigonometric Identities You Need To Know
If you are just starting out learning how to verify trigonometric identities then check this video to get you started
Brian McLogan
Find the reciprocal of secant function given
👉 Learn all about evaluating trigonometric functions using the unit circle. In this playlist, we will learn how to evaluate sine, cosine, tangent, cotangent, cosecant, and secant by using our understanding of the unit circle. We will...
Brian McLogan
Master determining the missing sides of a triangle using trig functions
Master determining the missing sides of a triangle using trig functions
Brian McLogan
What happens when solving with multiple angles
What happens when solving with multiple angles
Brian McLogan
ACT SAT Prep How to determine the SINE of an angle given a right triangle and it's sides
ACT SAT Prep How to determine the SINE of an angle given a right triangle and it's sides
Brian McLogan
How to use trigonometric functions to find the missing side of a triangle
How to use trigonometric functions to find the missing side of a triangle
Brian McLogan
Understand where the pythagorean identities come from
👉 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
How to use tangent to find the missing leg 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...
msvgo
Trigonometric Ratios of Allied Angles
It explains how to find the values of trigonometric functions for the allied angles i.e angles whose sum or difference is a multiple of 90.
Brian McLogan
Tips To Graph Trigonometric Functions
In this video, I will help you learn how to understand and graph the sine, cosine, tangent, cotangent, cosecant, and secant functions with their initial period
Khan Academy
Khan Academy: Trigonometry: More Trig Graphs
Video about translating between the graph and equation of trigonometric functions. Examples consist of writing the equation a sine function from its graph and graphing a cosine function from its equation. [5:13]
Khan Academy
Khan Academy: Trigonometry: Graphs of Trig Functions
Video exploring the graphs of the basic trigonometric functions. Effects of changes in the equation of the sine function to the period and the amplitude of the graph are shown. Includes link to additional practice problems. [10:17]
Khan Academy
Khan Academy: Trigonometry: Determing the Equation of a Trigonometric Function
Video about finding the equation of a trigonometric function from its graph. Two examples are sine functions and one example is a cosine function [9:52]
Khan Academy
Khan Academy: Trigonometry: Graphing Trig Functions
Video showing how to graph the sine and cosine functions from their equations with modifications to the amplitude and period. Also gives an example of determining the trigonometric function using the features of the graph. Includes link...
Math TV
Math tv.com: Calculus: Derivatives (Trigonometric Functions)
Students learn how to differentiate trigonometric functions and find the equation of the tangent line. The learning resource consists of video tutorials with detailed examples. In the left hand menu, click on Calculus, Derivatives,...
Sophia Learning
Sophia: Solving an Equation by Factoring a Trigonometric Quadratic by Grouping
Grouping terms in order to factor a quadratic that includes trigonometric expressions is demonstrated here. This lesson is 6 of 7 in the series titled "Solving an Equation by Factoring a Trigonometric Quadratic by Grouping."
Sophia Learning
Sophia: Solving an Equation by Applying a Half Angle Identity: Lesson 6
Using a half angle trigonometric identity to help solve an equation is show here. This lesson is 6 of 7 in the series titled "Solving an Equation by Applying a Half Angle Identity."