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plane trigonometry
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noun Mathematics.
the branch of trigonometry dealing with plane triangles.
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Origin of plane trigonometry
First recorded in 1800–10
Words nearby plane trigonometry
planetesimal hypothesis, planet gear, planetoid, planetology, plane tree, plane trigonometry, planet-struck, planet wheel, planet X, planet Zog, planform
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023