About 730 results for "UC6jM0RFkr4eSkzT5Gx0HOAw"

a very nice Pythagorean triangle puzzle

Michael Penn • Jul 8, 2024

a very nice approach to this limit.

Michael Penn • Jun 30, 2024

The derivative of sin(x degrees) -- or why we use radians

Michael Penn • Mar 10, 2024

the equation Ramanujan couldn't solve!!

Michael Penn • Oct 10, 2023

The strange cousin of the complex numbers -- the dual numbers.

Michael Penn • Jul 10, 2022

Collatz Conjecture - The Interns' Inception

Michael Penn • Jul 10, 2022

Multivariable Calculus | Triple integral with spherical coordinates: Example.

Michael Penn • Jul 10, 2020

Putnam Exam | 2018: A1

Michael Penn • Jul 10, 2020