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Life of Fred Trigonometry Expanded Edition

High School | Book A day and a half in our hero's life.
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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 Cosine, Identities , Addition...
$360 yearly


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.


7th - 9th | Online resource Practice trigonometry skills on IXL, have fun, and win awards!
$10 monthly


9th - High School | Online video/YouTube 172 videos about all aspects of Trigonometry.

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 about. Fortunately...

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,...

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.

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