In this video, I go over the top five "trigonometry important formulas" essential for precalculus, but also useful for Algebra 2 and Calculus students. We'll cover the "law of sines" and the "law of ...

The Pythagorean Theorem—discovered by the Greek mathematician Pythagoras in the 6th century BCE—is a cornerstone of mathematics. Simply stated as a 2 + b 2 = c 2, the theorem posits that the sum of ...

In 2022, two high school students created a trigonometric proof of the Pythagorean Theorem—something that’s only ever been accomplished by a few professional mathematicians. Now, a new article not ...

In this video I will show you how to evaluate the composition of sine and sine inverse using the restrictions and coterminal angles. I make short, to-the-point online math tutorials. I struggled with ...

Plimpton 322, the tablet in question, is certainly an alluring artifact. It’s a broken piece of clay roughly the size of a postcard. It was filled with four columns of cuneiform numbers around 1800 ...

The tablet, discovered in the early 1900s and first interpreted in 1945, has long fascinated mathematics scholars, but they were puzzled by its description of triangles, which researchers recently ...