In this video, we will cover some of the most basic elements that you need to know to understand how to simplify ...

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 ...

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 ...