generalized trigonometry
Sign in to savestudy of triangles in other spaces than the Euclidean plane
Connections
trigonometry
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Leonhard Euler
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triangle
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International Standard Book Number
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angle
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Pythagorean theorem
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Ptolemy
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Joseph Fourier
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special relativity
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real number
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Brahmagupta
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calculus
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sphere
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differential equation
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polygon
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digital object identifier
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Euclidean geometry
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series
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trigonometric function
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Hipparchus
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