Skip to content

PRO TIP Block youtube.com at the DNS level — Pi-hole, NextDNS or your hosts file — but allow youtube-nocookie.com and i.ytimg.com. These tutorials keep playing; the rabbit hole does not.

Learning without distractions

How To Calculate The Missing Side Length of a Triangle

3.1M views on YouTube

This trigonometry video tutorial explains how to calculate the missing side length of a triangle. Examples include the use of the Pythagorean theorem, trigonometry ratios such as sine, cosine, & tangent in SOH CAH TOA, the law of sines, the law of cosines, and using the geometric mean to calculate the altitude to hypotenuse triangle problems.

Trigonometry – Free Formula Sheet:
https://www.video-tutor.net/formula-sheets.html

Trigonometry Video Lessons:
https://www.video-tutor.net/trigonometric-applications.html

________________________________
Final Exam and Test Prep Videos:
https://bit.ly/41WNmI9

Subscribe:
https://bit.ly/4qLtyAQ

Algebra Review: