Tag Archives: cosine

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

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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

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Posted in Triangles, Trigonometry | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 4 Comments