Trigonometry was born as a complement to astronomy. The foundations of trigonometry allowed astronomers to determine all sorts of information about stellar bodies, including distances
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To name a few, the practical applications are: 1. Acoustics. 2. Architecture. 3. Astronomy ( and Navigation) 4. Cartography. 5. Chemistry. 6. Civil Engineering. 7. Computer Graphics
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Trigonometry (from Greek trigōnon "triangle" + metron "measure")[1] is a branch of mathematics that deals with triangles, particularly those plane triangles
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Trigonometry was developed for astronomy and geography.
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