Khan Academy
Khan Academy: Basic Trigonometric Ratios: Example: The Six Trig Ratios
Worked example where we walk through finding the major trigonometric ratios.
Khan Academy
Khan Academy: Amplitude & Period of Sinusoidal Functions From Equation
This video shows how to determine the amplitude and period of a trigonometric function. [8:20]
Khan Academy
Khan Academy: Basic Trigonometric Ratios: Basic Trigonometry
Video introducing the basic trigonometry ratios sine, cosine, and tangent.
Khan Academy
Khan Academy: Graphs of Trig Functions: Amplitude and Period Transformations
Understanding how the amplitude and period changes as coefficients change.
Khan Academy
Khan Academy: L'hopital's Rule: L'hopital's Rule Example 1
Video lesson using l'Hopital's rule to find the limit of a function containing trigonometric functions.
Khan Academy
Khan Academy: Determining the Equation of a Trigonometric Function
Video about finding the equation of a trigonometric function from its graph.
Imagine Learning Classroom
Learn Zillion: Find Tangent Value Using Side Ratios
In this lesson, you will learn how the ratios of certain sides of the triangle determine the tangent value of a particular angle by using properties of similar triangles. [2:13]
Khan Academy
Khan Academy: Trigonometry: Sine & Cosine Identities: Periodicity
Sal finds trigonometric identities for sine and cosine by considering angle rotations on the unit circle. [6:13]
Khan Academy
Khan Academy: Trigonometry: Tangent Identities: Periodicity
Sal solves a problem by considering the periodicity of the tangent function. [4:01]
Other
Trigonometric Functions f.tf.4
In this teacher-created video, trigonometric functions are developed and explored by changing one of the angles in a right triangle. [10:57]
Other
Even and Odd Trigonometric Functions
Produced by a teacher at a school in Jacksonville, FL, this video discusses whether the six trig functions are odd or even functions. [7:14]
Khan Academy
Khan Academy: Angles, Arc Lengths, and Trig Functions Harder Example
The video from Khan Academy provides practice questions for the SAT. Watch Sal work through a harder angles, arc lengths, and trig functions problem.
Khan Academy
Khan Academy: Angles, Arc Lengths, and Trig Functions Basic Example
The video from Khan Academy provides practice questions for the SAT. Students will watch Sal work through a basic angles, arc lengths, and trig functions problem.
Sophia Learning
Sophia: Relationships of Trigonometric Functions: Lesson 1
Relationships among the six trigonometric functions are explored in this lesson. It is 1 of 4 in the series titled "Relationships of Trigonometric Functions."
Sophia Learning
Sophia: Trigonometic Notation: Lesson 4
Different ways of noting angles and trigonometric functions are discussed in this lesson. It is 4 of 5 in the series titled "Trigonometic Notation."
Sophia Learning
Sophia: Trigonometic Notation: Lesson 1
Different ways of noting angles and trigonometric functions are discussed in this lesson. It is 1 of 5 in the series titled "Trigonometic Notation."
Sophia Learning
Sophia: Trigonometric Functions in Context: Lesson 2
The practical uses of the trigonometric functions are explored here. This lesson is 2 of 6 in the series titled "Trigonometric Functions in Context."
Sophia Learning
Sophia: Trigonometric Functions in Context: Lesson 3
The practical uses of the trigonometric functions are explored here. This lesson is 3 of 6 in the series titled "Trigonometric Functions in Context."
Sophia Learning
Sophia: Trigonometric Functions in Context: Lesson 5
The practical uses of the trigonometric functions are explored here. This lesson is 5 of 6 in the series titled "Trigonometric Functions in Context."
Sophia Learning
Sophia: Trigonometric Functions in Context: Lesson 1
The practical uses of the trigonometric functions are explored here. This lesson is 1 of 6 in the series titled "Trigonometric Functions in Context."
Sophia Learning
Sophia: Trigonometric Function Tables: Lesson 2
The use of tables to find the value for a trigonometric function of a specific angle is discussed here. This lesson is 2 of 5 in the series titled "Trigonometric Function Tables."
Sophia Learning
Sophia: Trigonometric Function Tables: Lesson 4
The use of tables to find the value for a trigonometric function of a specific angle is discussed here. This lesson is 4 of 5 in the series titled "Trigonometric Function Tables."
Sophia Learning
Sophia: Writing the Equation for Transformed Sine and Cosine: Lesson 2
This lesson explain how to write the equations for sine and cosine functions, based on their transformations. It is 2 of 7 in the series titled "Writing the Equation for Transformed Sine and Cosine."
Sophia Learning
Sophia: Writing the Equation for Transformed Sine and Cosine #2
This lesson explain how to write the equations for sine and cosine functions, based on their transformations.