Meanings
nounplane trigonometry (usually uncountable, plural plane trigonometries)
plural plane trigonometries
- uncountableusuallyA branch of trigonometry pertaining to planar triangles.
Cite this entry
APA
plane trigonometry. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/plane%20trigonometry
MLA
“plane trigonometry.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/plane%20trigonometry. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “plane trigonometry,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/plane%20trigonometry.
Source: plane trigonometry on Wiktionary, CC BY-SA 4.0.