Meaning of CIRCULAR FUNCTION

Pronunciation:			'surkyulur 'fungkshun
WordNet Dictionary
	Definition:		[n]  function of an angle expressed as a ratio of the sides of right-angled triangle containing the angle
	Synonyms:		trigonometric function
	See Also:		cos, cosec, cosecant, cosine, cotan, cotangent, function, mathematical function, sec, secant, sin, sine, tan, tangent