Educator.com
Volumes by Slicing
Find the volume of a rotational solid by integrating the area of a slice. The AP Calculus resource works through an example of finding the volume of a solid created by rotating a function about the x-axis. The presentation breaks the...
Corbett Maths
Exact Trigonometric Values
It's important to be exact. Scholars watch a video that provides the exact trigonometric values of sine, cosine, and tangent for 0-, 30-, 45-, 60-, and 90-degree angles. The video also highlights a pattern to help remember the values.
Educator.com
Absolute Maximum and Minimum Values of a Function
Viewers explore the meaning of absolute maximum and minimum values for a trigonometric function within a given interval with a video that shows how to determine the critical values within the interval.The instructor then explains how to...
Educator.com
Derivatives of the Trigonometric Functions
Explore the derivatives of trigonometric functions through a video tutorial. The instructor shows how to evaluate a limit as x approaches infinity of a sine function. The final answer results in a limit of one.
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: Using Trig Functions Part Ii
Continuation of video lesson using the basic trigonometric functions to determine unknown side lengths of a right triangle. Example shows using trigonometry as well as the Pythagorean Theorem to find the length of the third side of the...
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: Using Trig Functions
Video using the basic trigonometric functions to find the length of a side in a right triangle. Examples are given with angle measures in radians. Includes link to additional practice problems. [10:03]
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...
Khan Academy
Khan Academy: Geometry: Ca Geometry: More Trig
The video tutorial [12:21] demonstrates solutions to problems #66-70 of California Geometry released state test questions. Problems address basic trigonometry ratios, 30-60-90 triangles.
Khan Academy
Khan Academy: Ca Geometry: Basic Trigonometry
Demonstrates solutions to problems #61-65 of California Geometry released state test questions. Problems address the equation of a circle, basic trigonometry. [11:04]
Sophia Learning
Sophia: Trigonometric Derivatives: Lesson 2
This lesson states the rules for finding the derivative of sine, cosine, and tangent, and provides a few examples. It is 2 of 4 in the series titled "Trigonometric Derivatives."
Other
Mathematics Exemplified: Inverse Trigonometric Functions
This YouTube video provides a detailed explanation of inverse trigonometric functions including the composition of trigonometric functions.
Sophia Learning
Sophia: Trigonometic Notation: Lesson 3
Different ways of noting angles and trigonometric functions are discussed in this lesson. It is 3 of 5 in the series titled "Trigonometic Notation."
Sophia Learning
Sophia: Trigonometric Function Tables: Lesson 1
The use of tables to find the value for a trigonometric function of a specific angle is discussed here. This lesson is 1 of 5 in the series titled "Trigonometric Function Tables."
Sophia Learning
Sophia: Writing the Equation for Transformed Sine and Cosine: Lesson 3
This lesson explain how to write the equations for sine and cosine functions, based on their transformations. It is 3 of 7 in the series titled "Writing the Equation for Transformed Sine and Cosine."
Khan Academy
Khan Academy: Calculator to Evaluate a Trig Function
Worked example showing how to use typical calculators to evaluate trigonometric functions.
Khan Academy
Khan Academy: Basic Trigonometry: Example: Using Soh Cah Toa
Worked example evaluating sine and cosine using soh cah toa definition. [4:04]
Khan Academy
Khan Academy: Factoring Quadratics: Example 2: Factoring by Grouping
Factoring trinomials by grouping.
Khan Academy
Khan Academy: Basic Trigonometric Ratios: Using Trig Functions Part Ii
A couple of more examples of using Trig functions to solve the sides of a triangle. This video use the basic trigonometric functions to determine unknown side lengths of a right triangle. Example shows using trigonometry as well as the...
Khan Academy
Khan Academy: Graphs of Trig Functions: Graphing Trig Functions
Analyzing the amplitude and periods of the sine and cosine functions.
Khan Academy
Khan Academy: Basic Trigonometric Ratios: Example: Solving a 30 60 90 Triangle
This worked example can be done without trigonometry, but we do show how knowledge of 30-60-90 triangles can be helpful when evaluating trig functions.
Khan Academy
Khan Academy: Basic Trigonometric Ratios: Using Trig Functions
Video using the basic trigonometric functions to find the length of a side in a right triangle. Examples are given with angle measures in radians.