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

Pythagorean Theorem – Basic Introduction

102.1K views on YouTube

This math video tutorial provides a basic introduction into the pythagorean theorem. It explains how to find the missing side length of a right triangle in addition to finding the length of each side of a triangle with variables of x.

Trigonometry – Free Formula Sheet:
https://bit.ly/47diggI

_______________________________
Trigonometry – Basic Introduction:

The Unit Circle:

How To Remember The Unit Circle Fast:

Reference Angles:

The Six Trigonometric Functions:

How To Solve Right Triangles:

_____________________________
Reciprocal Identities:

Quotient Identities:

Even and Odd Trigonometric Identities:

Pythagorean Identities:

Trig Functions – Periodic Properties:

________________________________
The Exact Value of Trig Functions:

Special Right Triangles – 30 60 90:

Special Patterns – Pythagorean Theorem:

Cofunction Identities:

Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathScienceTutor/collections