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Trigonometry Lessons

Trigonometry

Trigonometry is a branch of mathematics that deals with the relationships between the sides and angles of triangles, especially right-angle triangles. A set of functions, called trigonometric functions, represents these relationships in mathematical terms. Listed below are videos of trigonometry lessons to help kids learn about trigonometry and related concepts.
Watch videos  Watch Videos & Lessons:  (Reviewed by K-12 teachers)

Basic Trigonometry - I
Grade: 7 - 12
Math lesson - An introduction to trigonometric functions: sine, cosine, and tangent.
8:45
 

Basic Trigonometry - II
Grade: 7 - 12
Figure out the sine, cosine, and tangent of an angle in a right triangle with an example.
5:55
 

Radians and degrees
Grade: 7 - 12
Learn what is a radian, and how to converting radians to degrees and vice versa.
9:55
 

Using Trigonometry Functions - I
Grade: 7 - 12
Using Trigonometric functions to solve the sides of a right triangle
10:00
 

Using Trigonometry Functions - II
Grade: 7 - 12
With help of a few examples, learn how to solve the sides of a triangle using Trig functions.
8:35
 

Trigonometric Identities
Grade: 7 - 12
The lesson introduces trigonometric identities.
9:10
 

Trigonometry word problems
Grade: 7 - 12
Solve trigonometry word problems, for example when the captain of a ship goes off track.
9:55
 

Sin Cos Tan - Basic Trigonometry
Grade: 7 - 12
In this lesson, learn to find the missing side lengths and the missing angle measures in right triangles using sine, cosine, and tangent.
3:35
 

Area of a Triangle Using Trigonometry
Grade: 7 - 12
A lesson on trigonometry.
3:25
 

Trigonometry: The Law of Sines
Grade: 7 - 12
The video provides a simple proof of the Law of Sines.
6:30
 

Trigonometry: The Law of Cosines
Grade: 7 - 12
Introduction to the law of cosines to solve for a side of a triangle when two sides and an angle are known.
9:30
 

Graphs of Trig Functions
Grade: 7 - 12
Learn about the graphs of trigonometry functions.
10:15
 

Graphing Trig Functions
Grade: 7 - 12
Analyzing the amplitude and periods of the sine and cosine functions using graphs.
10:00
 

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