cercle trigonométrique

== French == === Pronunciation === IPA(key): /sɛʁ.klə tʁi.ɡɔ.nɔ.me.tʁik/ === Noun === cercle trigonométrique m (plural cercles trigonométriques) (trigonometry) unit circle (circle of radius 1 with centre at the origin, used in defining trigonometric functions) ==== See also ==== cercle unité