Pythagoras of Samos (Below Right, holding book) was a Greek philosopher and mathematician, who lived from somewhere around 569 BC to around 475 BC. He is known as the "father of numbers", though he also made contributions to philosophy, ethics, politics, music, metaphysics and religion. He believed Read More

## Trigonometry: The Ratios

Remember this? It's the "Basic" Triangle used to in trigonometry. (See Above) Angle C is 90 degrees. It is not used in the ratios, except to determine the hypotenuse. The Ratios are: Sine, abbreviated "Sin" and pronounced "Sign". It is the ratio between an angle's (not C, which is the right Read More

## What is Trigonometry ?

Trig, in the lowest form, is using various ratios that are pre-recorded into your calculator as lists to find the lengths of various sides of a trinagle based on one of the angle's values. Think of Trig like the Pythagorean Theorem on steroids. No longer do you need two of the sides of a Read More

## The Pythagorean Theorem

The Pythagorean Theorem is one of the earliest laws that we are taught in school, and ends up relating to both Trigonometry . The Theorem allows us to find the third side of a right triangle as long as we know the other two sides. The History of the Pythagorean Theorem This is not nesecary to Read More