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Tag-cloud

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Trigonometry is a field of mathematics that studies relationship involving lenghts and angles of triangles.
There is an enormous number of uses of trigonometry and trigonometric functions.

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Working in group

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HISTORY OF TRIGONOMETRY,passage to Europe.

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SOH CAH TOA

"SOHCAHTOA" is a helpful mnemonic for remembering the definitions of the trigonometric functions sine, cosine, and tangent i.e., sine equals opposite over hypotenuse, cosine equals adjacent over hypotenuse, and tangent equals opposite over adjacent.

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Trigonometry simply means calculations with triangles (that’s where the tri comes from). It is a study of relationships in mathematics involving lengths, heights and angles of different triangles. The field emerged during the 3rd century BC, from applications of geometry to astronomical studies. Trigonometry spreads its applications into various fields such as architects, surveyors, astronauts, physicists, engineers and even crime scene investigators.
Trigonometry may not have its direct applications in solving practical issues, but it is used in various things that we enjoy so much. For example music, as you know sound travels in waves and this pattern though not as regular as a sine or cosine function, is still useful in developing computer music. A computer cannot obviously listen to and comprehend music as we do, so computers represent it mathematically by its constituent sound waves. And this means sound engineers need to know at least the basics of trigonometry. And the good music that these sound engineers produce is used to calm us from our hectic, stress full life – All thanks to trigonometry.

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Applications of trigonometry in real life

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Michele's first try

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Conceptual map

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https://www.youtube.com/watch?v=Qv2W0KM3W4c

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The champions
of trigonometry