trigonometric identity
type: Concept
broader: trigonometry
preferred label: اتحاد مثلثاتی @fa
related: trigonometric function
related: trigonometric equation

trigonometric function
type: Concept
preferred label: تابع مثلثاتی @fa
related: trigonometric identity

trigonometry
type: Concept
narrower: trigonometric identity
preferred label: مثلثات @fa

trigonometric equation
type: Concept
preferred label: معادله مثلثاتی @fa
related: trigonometric identity