Deriving the Pythagorean Identities (Trigonometry)

We derive the "main" Pythagorean identity by creating a triangle in the unit circle. Then we derive the other two from the one we found.

[moagisimothibedi]

jeez at its best....such a life ssaver Thank You💯🙌

[stuffedtoylover]

i accidentally blanked out during class and this helped me so much!! thank you!

[haydenballard]

Thanks a lot I didn't know how to get the other two equations from the original, so this really helped

[sohoyankee]

"After looking at this video, all I can say was ahhhh haaaa! So that's it!" It's been a while since I took a math class and I found your video quite helpful. Thank you for taking the time to post this.

[Okirai]

You sir helped me with my assignment!! :)