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In this video, the third part of the A^2 trilogy, I find all the matrices A with A^2 = I. Of course A = I and A = -I are solutions, but there are many others...

In this video, we will find the exact value of sin(3 degrees). We will see the special special triangles and the angle difference formula! ft. sin(15), sin(18), cos(15), cos(18)

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In this video, I calculate the integral of sin(x^n) from 0 to infinity, without using any complex analysis whatsoever. Instead I’m using special functions like gamma functions and beta functions. It’s a treat for anyone who likes exotic integrals. Enjoy!…

Programa de Doutorado: Topologia das Variedades - Aula 19 Professor: Vinicius Ramos Aulas anteriores: https://bit.ly/2ToLE0x Pré-requisito: Análise em Varieda...

Olááá, mundo!
Neste vídeo, apresento-vos alguns conceitos de programação e técnicas de resolução de problemas. Foi inspirado no livro infantil "Ara, a Engenheira das Estrelas", à venda a partir do dia 10 de junho, que visa inspirar mais meninas a aderirem…

Programa de Doutorado: Dinâmica Hiperbólica - Aula 20 Inicio: 13h30 Professores: Marcelo Viana / Fernando Lenarduzzi Aulas anteriores: https://bit.ly/2J0NMXR ...

Programa de Doutorado: Dinâmica Hiperbólica - Aula 20 Inicio: 13h30 Professores: Marcelo Viana / Fernando Lenarduzzi Aulas anteriores: https://bit.ly/2J0NMXR ...

Part 2: https://youtu.be/Y9bKXDdxtFk

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In this video, I calculate the inverse of a linear transformation, by first writing it as a matrix A and then calculating A^-1 This illustrates the nice rela...

Programa de Doutorado: Dinâmica Hiperbólica - Aula 20 Inicio: 13h30 Professores: Marcelo Viana / Fernando Lenarduzzi Aulas anteriores: https://bit.ly/2J0NMXR ...

In this video, I give an explicit formula for the sum of cubes, and I show in particular why it’s the square of the sum of integers. It is really clever and neat, enjoy!

Sum of squares: https://youtu.be/gVMEtOXdhs8

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