Trigonometry


The best videos, books, apps, and other learning resources our members recommend:

Graphs of trigonometric functions

High School - College | Online class

Sal draws the graph of the tangent function based on the unit circle definition of the function.

Free

Life of Fred Trigonometry Expanded Edition

High School | Book

A day and a half in our hero’s life.
• Cuisine! See what dinner in a limo is really like
• Entrepreneurship! Learn how to create a best-selling board game
• Sports!...

$39

Math Curriculum Trigonometry

High School | Online resource

Trigonometry
Angles and Triangles
Unit Preview, Measuring Angles, Areas of Triangles
Sine and Cosine Functions – Part I
Unit Preview, Definitions – Sine and...

$360 yearly

Trigonometric equations and identities

High School - College | Online class

Learn about the inverse functions of sine, cosine, and tangent, and how they are defined even though the functions are not really invertible. These functions will be very helpful when you will...

Free

Trigonometric equations and identities

High School - College | Online class

Learn about the inverse functions of sine, cosine, and tangent, and how they are defined even though the functions are not really invertible. These functions will be very helpful when you will...

Free

Trigonometry

7th - High School | Online class

Missions recommend what to learn next, help you remember what you’ve learned by mixing skills, and save your progress.

Free

Trigonometry

7th - 9th | Online resource

Practice trigonometry skills on IXL, have fun, and win awards!

$10 monthly

Trigonometry

9th - High School | Online video/YouTube

172 videos about all aspects of Trigonometry.

Free

Trigonometry Help

7th - High School | Online resource

Trying to keep up with trig can be hard at first — suddenly you’re learning new terms like sine, cosine, and tangent, and having to figure out more triangles than you ever cared...

Free

Trigonometry (online)

High School | Online class

This course addresses analyzing functions, transformations, and inverse functions. Students will also learn about radians, the unit circle, right-triangle trigonometry, trigonometric functions,...

$150

Trigonometry Online Course

High School - College | Online class

Join Dr. William Murray in his Trigonometry online course which breaks down difficult-to-understand concepts with clear explanations and tons of example walkthroughs. Dr. Murray brings his 15+...

$35 monthly

Trigonometry with general triangles

5th - 8th | Online class

Learn about the Law of sines and how to use it in order to find missing side lengths and angles in general triangles.

Free

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