# Monthly Archives: August 2013

## The Tangent Ratio

Image Source: Photo by Jeff Wilson – www.warbirddepot.com Trigonometry is used a lot in the work done by Pilots and Air Traffic Controllers. However, a lot of the maths formulas are programmed into computer applications, and we do not see … Continue reading

## The Cosine Ratio

Image Source: http://rekkerd.org In this lesson we are doing some more Trigonometry. Image Source: Google Images Shown above are some basic “sinusoidal” shaped sound waves. Our ear detects these when music is played. Various “Guitar Pedals” or “Stomp Boxes” can … Continue reading

## The Sine Ratio

Image Source: PLane Landing at Maho Beach Pilots need to use Trigonometry to make it onto the end of the runway when landing; particularly at Maho Beach in the Caribbean. As the plane descends it has a speed at an … Continue reading

## Trigonometric Ratios

Image Source: http://www.fanpop.com Pythagoras Theorem and Trigonometry were key mathematical methods that were used to help build the Pyramids. Pythagoras looked at the Sides Relationship, and people like Hipparcus looked at the Relationship between Angles and Sides. They named the … Continue reading

## Trigonometry – Labeling Triangles

Image Source: http://tributehomes.com.au Triangles are a key feature of the Architecture of Buildings. Here is a building which contains many triangles. Image Source: http://www.infoteli.com The building is in Eindhove Holland and is called ‘De Blob’. It forms the Admirant Building … Continue reading